231693272 has 16 divisors (see below), whose sum is σ = 459979560. Its totient is φ = 109032064.

The previous prime is 231693257. The next prime is 231693307. The reversal of 231693272 is 272396132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851678 + ... + 851949.

Almost surely, 2^231693272 is an apocalyptic number.

It is an amenable number.

231693272 is a deficient number, since it is larger than the sum of its proper divisors (228286288).

231693272 is a wasteful number, since it uses less digits than its factorization.

231693272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703650 (or 1703646 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 231693272 is about 15221.4740416295. The cubic root of 231693272 is about 614.1924509986.

The spelling of 231693272 in words is "two hundred thirty-one million, six hundred ninety-three thousand, two hundred seventy-two".