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232331310131 is a prime number
BaseRepresentation
bin1101100001100000000…
…1100111010000110011
3211012200120100102011012
43120120001213100303
512301303303411011
6254422002141135
722533246360254
oct3303001472063
9735616312135
10232331310131
118a592a71018
123903b3517ab
1318ba769c80b
14b35ddc8b2b
15609baa6a8b
hex3618067433

232331310131 has 2 divisors, whose sum is σ = 232331310132. Its totient is φ = 232331310130.

The previous prime is 232331310103. The next prime is 232331310191. The reversal of 232331310131 is 131013133232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232331310131 - 210 = 232331309107 is a prime.

It is a super-2 number, since 2×2323313101312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232331310097 and 232331310106.

It is not a weakly prime, because it can be changed into another prime (232331310191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116165655065 + 116165655066.

It is an arithmetic number, because the mean of its divisors is an integer number (116165655066).

Almost surely, 2232331310131 is an apocalyptic number.

232331310131 is a deficient number, since it is larger than the sum of its proper divisors (1).

232331310131 is an equidigital number, since it uses as much as digits as its factorization.

232331310131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 232331310131 its reverse (131013133232), we get a palindrome (363344443363).

The spelling of 232331310131 in words is "two hundred thirty-two billion, three hundred thirty-one million, three hundred ten thousand, one hundred thirty-one".