231235052 has 18 divisors (see below), whose sum is σ = 415903572. Its totient is φ = 112490064.

The previous prime is 231235049. The next prime is 231235057. The reversal of 231235052 is 250532132.

It is not an unprimeable number, because it can be changed into a prime (231235057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15638 + ... + 26589.

It is an arithmetic number, because the mean of its divisors is an integer number (23105754).

Almost surely, 2^231235052 is an apocalyptic number.

It is an amenable number.

231235052 is a deficient number, since it is larger than the sum of its proper divisors (184668520).

231235052 is a wasteful number, since it uses less digits than its factorization.

231235052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42305 (or 42266 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 231235052 is about 15206.4148305904. The cubic root of 231235052 is about 613.7872874560.

Adding to 231235052 its reverse (250532132), we get a palindrome (481767184).

The spelling of 231235052 in words is "two hundred thirty-one million, two hundred thirty-five thousand, fifty-two".