310123200220 has 48 divisors (see below), whose sum is σ = 653171238720. Its totient is φ = 123685369344.

The previous prime is 310123200203. The next prime is 310123200239. The reversal of 310123200220 is 22002321013.

It is a junction number, because it is equal to n+sod(n) for n = 310123200194 and 310123200203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14362072 + ... + 14383648.

It is an arithmetic number, because the mean of its divisors is an integer number (13607734140).

Almost surely, 2^310123200220 is an apocalyptic number.

It is an amenable number.

310123200220 is an abundant number, since it is smaller than the sum of its proper divisors (343048038500).

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

310123200220 is a wasteful number, since it uses less digits than its factorization.

310123200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23662 (or 23660 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 310123200220 its reverse (22002321013), we get a palindrome (332125521233).

The spelling of 310123200220 in words is "three hundred ten billion, one hundred twenty-three million, two hundred thousand, two hundred twenty".