231321310310 has 16 divisors (see below), whose sum is σ = 417860137152. Its totient is φ = 92199240000.

The previous prime is 231321310277. The next prime is 231321310327. The reversal of 231321310310 is 13013123132.

231321310310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231321310310² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41157566 + ... + 41163185.

It is an arithmetic number, because the mean of its divisors is an integer number (26116258572).

Almost surely, 2^231321310310 is an apocalyptic number.

231321310310 is a deficient number, since it is larger than the sum of its proper divisors (186538826842).

231321310310 is a wasteful number, since it uses less digits than its factorization.

231321310310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82321039.

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

Adding to 231321310310 its reverse (13013123132), we get a palindrome (244334433442).

The spelling of 231321310310 in words is "two hundred thirty-one billion, three hundred twenty-one million, three hundred ten thousand, three hundred ten".