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311322133130130 = 23359399712266827
BaseRepresentation
bin100011011001001010101010…
…1001001111110101110010010
31111211022002211201220210121000
41012302111111021332232102
5311301200212040131010
63022043225154442430
7122401165452253203
oct10662252511765622
91454262751823530
10311322133130130
1190218a80000a11
122ab00394593416
1310493721c4cb75
1456c41008275aa
1525ed30a8517c0
hex11b255527eb92

311322133130130 has 64 divisors (see below), whose sum is σ = 830201254807680. Its totient is φ = 83018345522112.

The previous prime is 311322133129999. The next prime is 311322133130137. The reversal of 311322133130130 is 31031331223113.

311322133130130 is a `hidden beast` number, since 3 + 1 + 1 + 3 + 2 + 21 + 331 + 301 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 311322133130094 and 311322133130103.

It is not an unprimeable number, because it can be changed into a prime (311322133130137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19245777 + ... + 31512603.

It is an arithmetic number, because the mean of its divisors is an integer number (12971894606370).

Almost surely, 2311322133130130 is an apocalyptic number.

311322133130130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311322133130130 is an abundant number, since it is smaller than the sum of its proper divisors (518879121677550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311322133130130 is a wasteful number, since it uses less digits than its factorization.

311322133130130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360840 (or 12360834 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 311322133130130 its reverse (31031331223113), we get a palindrome (342353464353243).

The spelling of 311322133130130 in words is "three hundred eleven trillion, three hundred twenty-two billion, one hundred thirty-three million, one hundred thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 93997 187994 281991 469985 563982 845973 939970 1409955 1691946 2537919 2819910 4229865 5075838 8459730 12266827 12689595 24533654 25379190 36800481 61334135 73600962 110401443 122668270 184002405 220802886 331204329 368004810 552007215 662408658 1104014430 1656021645 3312043290 1153044937519 2306089875038 3459134812557 5765224687595 6918269625114 10377404437671 11530449375190 17295674062785 20754808875342 31132213313013 34591348125570 51887022188355 62264426626026 103774044376710 155661066565065 311322133130130