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31044150140130 = 2325942136613417
BaseRepresentation
bin1110000111100000001111…
…00010101001110011100010
311001220210101012101200110100
413003300013202221303202
513032111404413441010
6150005252524243230
76352602660215031
oct703600742516342
9131823335350410
1031044150140130
119989828486766
1235946930a0516
1314425b252965a
1479478b238718
1538c7e25582c0
hex1c3c078a9ce2

31044150140130 has 48 divisors (see below), whose sum is σ = 80723360108664. Its totient is φ = 8277561089280.

The previous prime is 31044150140111. The next prime is 31044150140137. The reversal of 31044150140130 is 3104105144013.

31044150140130 is a `hidden beast` number, since 3 + 1 + 0 + 441 + 50 + 1 + 40 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11312937167841 + 19731212972289 = 3363471^2 + 4441983^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31044150140094 and 31044150140103.

It is not an unprimeable number, because it can be changed into a prime (31044150140137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17458819 + ... + 19154598.

Almost surely, 231044150140130 is an apocalyptic number.

31044150140130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31044150140130 is an abundant number, since it is smaller than the sum of its proper divisors (49679209968534).

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

31044150140130 is a wasteful number, since it uses less digits than its factorization.

31044150140130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36622851 (or 36622848 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 31044150140130 its reverse (3104105144013), we get a palindrome (34148255284143).

The spelling of 31044150140130 in words is "thirty-one trillion, forty-four billion, one hundred fifty million, one hundred forty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 9421 18842 28263 47105 56526 84789 94210 141315 169578 282630 423945 847890 36613417 73226834 109840251 183067085 219680502 329520753 366134170 549201255 659041506 1098402510 1647603765 3295207530 344935001557 689870003114 1034805004671 1724675007785 2069610009342 3104415014013 3449350015570 5174025023355 6208830028026 10348050046710 15522075070065 31044150140130