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30231001301123 = 72379215672741
BaseRepresentation
bin1101101111110101101000…
…00110000000000010000011
310222001001111110101201021102
412313322310012000002003
512430301042313113443
6144143532534445015
76240055252142300
oct667726406000203
9128031443351242
1030231001301123
1196a5994128677
123482b7920376b
1313b3a043c798c
1476728c8820a7
1537659ec13cb8
hex1b7eb4180083

30231001301123 has 36 divisors (see below), whose sum is σ = 35295081296832. Its totient is φ = 25818001443360.

The previous prime is 30231001301119. The next prime is 30231001301161. The reversal of 30231001301123 is 32110310013203.

It is not a de Polignac number, because 30231001301123 - 22 = 30231001301119 is a prime.

It is a super-2 number, since 2×302310013011232 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30231001301095 and 30231001301104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231001301173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11029185533 + ... + 11029188273.

It is an arithmetic number, because the mean of its divisors is an integer number (980418924912).

Almost surely, 230231001301123 is an apocalyptic number.

30231001301123 is a deficient number, since it is larger than the sum of its proper divisors (5064079995709).

30231001301123 is an equidigital number, since it uses as much as digits as its factorization.

30231001301123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080 (or 4694 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30231001301123 its reverse (32110310013203), we get a palindrome (62341311314326).

The spelling of 30231001301123 in words is "thirty trillion, two hundred thirty-one billion, one million, three hundred one thousand, one hundred twenty-three".

Divisors: 1 7 49 379 1567 2653 2741 10969 18571 19187 76783 134309 143641 593893 1005487 1038839 4157251 4295147 7038409 7271873 29100757 30066029 50903111 210462203 225085447 393719981 1575598129 1627860713 2756039867 11029186903 11395024991 19292279069 79765174937 616959210227 4318714471589 30231001301123