231313312010 has 64 divisors (see below), whose sum is σ = 466284916224. Its totient is φ = 81897369600.

The previous prime is 231313312003. The next prime is 231313312037. The reversal of 231313312010 is 10213313132.

It is a super-2 number, since 2×231313312010² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881900 + ... + 1113720.

It is an arithmetic number, because the mean of its divisors is an integer number (7285701816).

Almost surely, 2^231313312010 is an apocalyptic number.

231313312010 is an abundant number, since it is smaller than the sum of its proper divisors (234971604214).

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

231313312010 is a wasteful number, since it uses less digits than its factorization.

231313312010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232079.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231313312010 its reverse (10213313132), we get a palindrome (241526625142).

The spelling of 231313312010 in words is "two hundred thirty-one billion, three hundred thirteen million, three hundred twelve thousand, ten".