313021013020 has 12 divisors (see below), whose sum is σ = 657344127384. Its totient is φ = 125208405200.

The previous prime is 313021012981. The next prime is 313021013027. The reversal of 313021013020 is 20310120313.

It is a junction number, because it is equal to n+sod(n) for n = 313021012985 and 313021013003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313021013027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7825525306 + ... + 7825525345.

It is an arithmetic number, because the mean of its divisors is an integer number (54778677282).

Almost surely, 2^313021013020 is an apocalyptic number.

It is an amenable number.

313021013020 is an abundant number, since it is smaller than the sum of its proper divisors (344323114364).

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

313021013020 is a wasteful number, since it uses less digits than its factorization.

313021013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15651050660 (or 15651050658 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 313021013020 its reverse (20310120313), we get a palindrome (333331133333).

The spelling of 313021013020 in words is "three hundred thirteen billion, twenty-one million, thirteen thousand, twenty".