3131233002020 has 48 divisors (see below), whose sum is σ = 6752801149248. Its totient is φ = 1218948877440.

The previous prime is 3131233001987. The next prime is 3131233002041. The reversal of 3131233002020 is 202003321313.

It is a super-2 number, since 2×3131233002020² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3131233001983 and 3131233002001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6333926 + ... + 6810365.

It is an arithmetic number, because the mean of its divisors is an integer number (140683357276).

Almost surely, 2^{3131233002020} is an apocalyptic number.

It is an amenable number.

3131233002020 is an abundant number, since it is smaller than the sum of its proper divisors (3621568147228).

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

3131233002020 is a wasteful number, since it uses less digits than its factorization.

3131233002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13144620 (or 13144618 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 3131233002020 its reverse (202003321313), we get a palindrome (3333236323333).

The spelling of 3131233002020 in words is "three trillion, one hundred thirty-one billion, two hundred thirty-three million, two thousand, twenty".