231313052 has 12 divisors (see below), whose sum is σ = 405186096. Its totient is φ = 115545600.

The previous prime is 231313031. The next prime is 231313057. The reversal of 231313052 is 250313132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231313057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22949 + ... + 31452.

It is an arithmetic number, because the mean of its divisors is an integer number (33765508).

Almost surely, 2^231313052 is an apocalyptic number.

It is an amenable number.

231313052 is a deficient number, since it is larger than the sum of its proper divisors (173873044).

231313052 is a wasteful number, since it uses less digits than its factorization.

231313052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55468 (or 55466 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 231313052 is about 15208.9793214403. The cubic root of 231313052 is about 613.8562937564.

Adding to 231313052 its reverse (250313132), we get a palindrome (481626184).

The spelling of 231313052 in words is "two hundred thirty-one million, three hundred thirteen thousand, fifty-two".