313122020330 has 64 divisors (see below), whose sum is σ = 658742464512. Its totient is φ = 104946304320.

The previous prime is 313122020297. The next prime is 313122020347. The reversal of 313122020330 is 33020221313.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359567 + ... + 869213.

It is an arithmetic number, because the mean of its divisors is an integer number (10292851008).

Almost surely, 2^313122020330 is an apocalyptic number.

313122020330 is an abundant number, since it is smaller than the sum of its proper divisors (345620444182).

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

313122020330 is a wasteful number, since it uses less digits than its factorization.

313122020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509859.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 313122020330 its reverse (33020221313), we get a palindrome (346142241643).

The spelling of 313122020330 in words is "three hundred thirteen billion, one hundred twenty-two million, twenty thousand, three hundred thirty".