232506131 has 16 divisors (see below), whose sum is σ = 274337280. Its totient is φ = 194265120.

The previous prime is 232506077. The next prime is 232506163. The reversal of 232506131 is 131605232.

It is a cyclic number.

It is not a de Polignac number, because 232506131 - 2⁶ = 232506067 is a prime.

It is a super-2 number, since 2×232506131² = 108118201905178322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232506097 and 232506106.

It is not an unprimeable number, because it can be changed into a prime (232509131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30776 + ... + 37578.

It is an arithmetic number, because the mean of its divisors is an integer number (17146080).

Almost surely, 2^232506131 is an apocalyptic number.

232506131 is a deficient number, since it is larger than the sum of its proper divisors (41831149).

232506131 is a wasteful number, since it uses less digits than its factorization.

232506131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 232506131 is about 15248.1517240615. The cubic root of 232506131 is about 614.9098781728.

The spelling of 232506131 in words is "two hundred thirty-two million, five hundred six thousand, one hundred thirty-one".