231313313210 has 32 divisors (see below), whose sum is σ = 477364845312. Its totient is φ = 79054035840.

The previous prime is 231313313201. The next prime is 231313313243. The reversal of 231313313210 is 12313313132.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5256806 + ... + 5300625.

It is an arithmetic number, because the mean of its divisors is an integer number (14917651416).

Almost surely, 2^231313313210 is an apocalyptic number.

231313313210 is an abundant number, since it is smaller than the sum of its proper divisors (246051532102).

231313313210 is a wasteful number, since it uses less digits than its factorization.

231313313210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557758.

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

Adding to 231313313210 its reverse (12313313132), we get a palindrome (243626626342).

The spelling of 231313313210 in words is "two hundred thirty-one billion, three hundred thirteen million, three hundred thirteen thousand, two hundred ten".