230312131 has 16 divisors (see below), whose sum is σ = 266112000. Its totient is φ = 195249888.

The previous prime is 230312123. The next prime is 230312191. The reversal of 230312131 is 131213032.

230312131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 230312131 - 2³ = 230312123 is a prime.

It is a super-2 number, since 2×230312131² = 106087355371522322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230312101) 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, 457626 + ... + 458128.

It is an arithmetic number, because the mean of its divisors is an integer number (16632000).

Almost surely, 2^230312131 is an apocalyptic number.

230312131 is a deficient number, since it is larger than the sum of its proper divisors (35799869).

230312131 is a wasteful number, since it uses less digits than its factorization.

230312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 230312131 is about 15176.0380534578. The cubic root of 230312131 is about 612.9696021587.

Adding to 230312131 its reverse (131213032), we get a palindrome (361525163).

Subtracting from 230312131 its reverse (131213032), we obtain a palindrome (99099099).

The spelling of 230312131 in words is "two hundred thirty million, three hundred twelve thousand, one hundred thirty-one".