231497052 has 24 divisors (see below), whose sum is σ = 541531536. Its totient is φ = 76969728.

The previous prime is 231497039. The next prime is 231497069. The reversal of 231497052 is 250794132.

231497052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19533 + ... + 29060.

It is an arithmetic number, because the mean of its divisors is an integer number (22563814).

Almost surely, 2^231497052 is an apocalyptic number.

It is an amenable number.

231497052 is an abundant number, since it is smaller than the sum of its proper divisors (310034484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231497052 is a wasteful number, since it uses less digits than its factorization.

231497052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48997 (or 48995 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 231497052 is about 15215.0271771036. The cubic root of 231497052 is about 614.0190164121.

The spelling of 231497052 in words is "two hundred thirty-one million, four hundred ninety-seven thousand, fifty-two".