231313231310 has 24 divisors (see below), whose sum is σ = 484341583320. Its totient is φ = 79307393424.

The previous prime is 231313231307. The next prime is 231313231327. The reversal of 231313231310 is 13132313132.

It is a super-2 number, since 2×231313231310² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236033420 + ... + 236034399.

It is an arithmetic number, because the mean of its divisors is an integer number (20180899305).

Almost surely, 2^231313231310 is an apocalyptic number.

231313231310 is an abundant number, since it is smaller than the sum of its proper divisors (253028352010).

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

231313231310 is a wasteful number, since it uses less digits than its factorization.

231313231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472067840 (or 472067833 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231313231310 its reverse (13132313132), we get a palindrome (244445544442).

The spelling of 231313231310 in words is "two hundred thirty-one billion, three hundred thirteen million, two hundred thirty-one thousand, three hundred ten".