3031125020 has 72 divisors (see below), whose sum is σ = 7996202592. Its totient is φ = 944760960.

The previous prime is 3031124977. The next prime is 3031125049. The reversal of 3031125020 is 205211303.

It is a self number, because there is not a number n which added to its sum of digits gives 3031125020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72527 + ... + 106406.

Almost surely, 2^3031125020 is an apocalyptic number.

It is an amenable number.

3031125020 is an abundant number, since it is smaller than the sum of its proper divisors (4965077572).

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

3031125020 is a wasteful number, since it uses less digits than its factorization.

3031125020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178971 (or 178958 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3031125020 is about 55055.6538422713. The cubic root of 3031125020 is about 1447.2202025906.

Adding to 3031125020 its reverse (205211303), we get a palindrome (3236336323).

The spelling of 3031125020 in words is "three billion, thirty-one million, one hundred twenty-five thousand, twenty".