313133123020 has 24 divisors (see below), whose sum is σ = 657590071824. Its totient is φ = 125251246656.

The previous prime is 313133122933. The next prime is 313133123021. The reversal of 313133123020 is 20321331313.

It is a junction number, because it is equal to n+sod(n) for n = 313133122982 and 313133123000.

It is not an unprimeable number, because it can be changed into a prime (313133123021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2381314 + ... + 2509366.

It is an arithmetic number, because the mean of its divisors is an integer number (27399586326).

Almost surely, 2^313133123020 is an apocalyptic number.

It is an amenable number.

313133123020 is an abundant number, since it is smaller than the sum of its proper divisors (344456948804).

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

313133123020 is a wasteful number, since it uses less digits than its factorization.

313133123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250329 (or 250327 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 313133123020 its reverse (20321331313), we get a palindrome (333454454333).

The spelling of 313133123020 in words is "three hundred thirteen billion, one hundred thirty-three million, one hundred twenty-three thousand, twenty".