232817131 has 2 divisors, whose sum is σ = 232817132. Its totient is φ = 232817130.

The previous prime is 232817107. The next prime is 232817213. The reversal of 232817131 is 131718232.

232817131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232817131 is a prime.

It is a super-2 number, since 2×232817131² = 108407632974142322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232817131.

It is not a weakly prime, because it can be changed into another prime (232817231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116408565 + 116408566.

It is an arithmetic number, because the mean of its divisors is an integer number (116408566).

Almost surely, 2^232817131 is an apocalyptic number.

232817131 is a deficient number, since it is larger than the sum of its proper divisors (1).

232817131 is an equidigital number, since it uses as much as digits as its factorization.

232817131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 232817131 is about 15258.3462734334. The cubic root of 232817131 is about 615.1839236621.

The spelling of 232817131 in words is "two hundred thirty-two million, eight hundred seventeen thousand, one hundred thirty-one".