310123321012 has 12 divisors (see below), whose sum is σ = 546677242020. Its totient is φ = 153929823296.

The previous prime is 310123320967. The next prime is 310123321063. The reversal of 310123321012 is 210123321013.

It can be written as a sum of positive squares in 2 ways, for example, as 139873008016 + 170250312996 = 373996^2 + 412614^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282958687 + ... + 282959782.

It is an arithmetic number, because the mean of its divisors is an integer number (45556436835).

Almost surely, 2^310123321012 is an apocalyptic number.

It is an amenable number.

310123321012 is a deficient number, since it is larger than the sum of its proper divisors (236553921008).

310123321012 is a wasteful number, since it uses less digits than its factorization.

310123321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565918610 (or 565918608 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 310123321012 its reverse (210123321013), we get a palindrome (520246642025).

Subtracting from 310123321012 its reverse (210123321013), we obtain a palindrome (99999999999).

The spelling of 310123321012 in words is "three hundred ten billion, one hundred twenty-three million, three hundred twenty-one thousand, twelve".