231713265 has 48 divisors (see below), whose sum is σ = 447251328. Its totient is φ = 100334592.

The previous prime is 231713239. The next prime is 231713267. The reversal of 231713265 is 562317132.

It is not a de Polignac number, because 231713265 - 2⁷ = 231713137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231713267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34849 + ... + 40961.

It is an arithmetic number, because the mean of its divisors is an integer number (9317736).

Almost surely, 2^231713265 is an apocalyptic number.

It is an amenable number.

231713265 is a deficient number, since it is larger than the sum of its proper divisors (215538063).

231713265 is a wasteful number, since it uses less digits than its factorization.

231713265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6166 (or 6147 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 231713265 is about 15222.1307641210. The cubic root of 231713265 is about 614.2101168784.

The spelling of 231713265 in words is "two hundred thirty-one million, seven hundred thirteen thousand, two hundred sixty-five".