320312131020120 has 32 divisors (see below), whose sum is σ = 960936393060720. Its totient is φ = 85416568272000.

The previous prime is 320312131020083. The next prime is 320312131020139. The reversal of 320312131020120 is 21020131213023.

It is a super-4 number, since 4×320312131020120⁴ (a number of 59 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334633879131 + ... + 1334633879370.

Almost surely, 2^{320312131020120} is an apocalyptic number.

320312131020120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320312131020120 is an abundant number, since it is smaller than the sum of its proper divisors (640624262040600).

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

320312131020120 is a wasteful number, since it uses less digits than its factorization.

320312131020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669267758515 (or 2669267758511 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 320312131020120 its reverse (21020131213023), we get a palindrome (341332262233143).

The spelling of 320312131020120 in words is "three hundred twenty trillion, three hundred twelve billion, one hundred thirty-one million, twenty thousand, one hundred twenty".