313132313020 has 24 divisors (see below), whose sum is σ = 666585776304. Its totient is φ = 123537131136.

The previous prime is 313132313009. The next prime is 313132313047. The reversal of 313132313020 is 20313231313.

It is a junction number, because it is equal to n+sod(n) for n = 313132312982 and 313132313000.

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 7 ways as a sum of consecutive naturals, for example, 107235634 + ... + 107238553.

It is an arithmetic number, because the mean of its divisors is an integer number (27774407346).

Almost surely, 2^313132313020 is an apocalyptic number.

It is an amenable number.

313132313020 is an abundant number, since it is smaller than the sum of its proper divisors (353453463284).

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

313132313020 is a wasteful number, since it uses less digits than its factorization.

313132313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214474269 (or 214474267 counting only the distinct ones).

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

Adding to 313132313020 its reverse (20313231313), we get a palindrome (333445544333).

The spelling of 313132313020 in words is "three hundred thirteen billion, one hundred thirty-two million, three hundred thirteen thousand, twenty".