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232312023131 = 436353245937
BaseRepresentation
bin1101100001011011100…
…0000010100001011011
3211012122020001112100212
43120112320002201123
512301233334220011
6254420032521335
722532623421036
oct3302670024133
9735566045325
10232312023131
118a583098451
12390349b024b
1318ba36a8aa6
14b35b60801d
15609a04708b
hex3616e0285b

232312023131 has 4 divisors (see below), whose sum is σ = 232365273432. Its totient is φ = 232258772832.

The previous prime is 232312023079. The next prime is 232312023133. The reversal of 232312023131 is 131320213232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-232312023131 is a prime.

It is a super-2 number, since 2×2323120231312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232312023097 and 232312023106.

It is not an unprimeable number, because it can be changed into a prime (232312023133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26618606 + ... + 26627331.

It is an arithmetic number, because the mean of its divisors is an integer number (58091318358).

Almost surely, 2232312023131 is an apocalyptic number.

232312023131 is a deficient number, since it is larger than the sum of its proper divisors (53250301).

232312023131 is an equidigital number, since it uses as much as digits as its factorization.

232312023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53250300.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 232312023131 its reverse (131320213232), we get a palindrome (363632236363).

The spelling of 232312023131 in words is "two hundred thirty-two billion, three hundred twelve million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 4363 53245937 232312023131