3100032012021 has 24 divisors (see below), whose sum is σ = 4808337930144. Its totient is φ = 1771400806560.

The previous prime is 3100032012013. The next prime is 3100032012041. The reversal of 3100032012021 is 1202102300013.

It is not a de Polignac number, because 3100032012021 - 2³ = 3100032012013 is a prime.

It is a super-2 number, since 2×3100032012021² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100032012041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5864946 + ... + 6371628.

It is an arithmetic number, because the mean of its divisors is an integer number (200347413756).

Almost surely, 2^{3100032012021} is an apocalyptic number.

It is an amenable number.

3100032012021 is a deficient number, since it is larger than the sum of its proper divisors (1708305918123).

3100032012021 is a wasteful number, since it uses less digits than its factorization.

3100032012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548321 (or 548314 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 3100032012021 its reverse (1202102300013), we get a palindrome (4302134312034).

The spelling of 3100032012021 in words is "three trillion, one hundred billion, thirty-two million, twelve thousand, twenty-one".