232758131 has 2 divisors, whose sum is σ = 232758132. Its totient is φ = 232758130.

The previous prime is 232758121. The next prime is 232758143. The reversal of 232758131 is 131857232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232758131 is a prime.

It is a super-2 number, since 2×232758131² = 108352695093226322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232758121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116379065 + 116379066.

It is an arithmetic number, because the mean of its divisors is an integer number (116379066).

Almost surely, 2^232758131 is an apocalyptic number.

232758131 is a deficient number, since it is larger than the sum of its proper divisors (1).

232758131 is an equidigital number, since it uses as much as digits as its factorization.

232758131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 232758131 is about 15256.4127828268. The cubic root of 232758131 is about 615.1319530908.

The spelling of 232758131 in words is "two hundred thirty-two million, seven hundred fifty-eight thousand, one hundred thirty-one".