313123012330020 has 48 divisors (see below), whose sum is σ = 876824336525760. Its totient is φ = 83491860240256.

The previous prime is 313123012329979. The next prime is 313123012330033. The reversal of 313123012330020 is 20033210321313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237139710 + ... + 238456469.

It is an arithmetic number, because the mean of its divisors is an integer number (18267173677620).

Almost surely, 2^{313123012330020} is an apocalyptic number.

313123012330020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313123012330020 is an abundant number, since it is smaller than the sum of its proper divisors (563701324195740).

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

313123012330020 is a wasteful number, since it uses less digits than its factorization.

313123012330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475607164 (or 475607162 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 313123012330020 its reverse (20033210321313), we get a palindrome (333156222651333).

The spelling of 313123012330020 in words is "three hundred thirteen trillion, one hundred twenty-three billion, twelve million, three hundred thirty thousand, twenty".