3112403021 has 24 divisors (see below), whose sum is σ = 3902603040. Its totient is φ = 2460320352.

The previous prime is 3112403003. The next prime is 3112403093. The reversal of 3112403021 is 1203042113.

It is not a de Polignac number, because 3112403021 - 2³⁰ = 2038661197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112403821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1264490 + ... + 1266948.

It is an arithmetic number, because the mean of its divisors is an integer number (162608460).

Almost surely, 2^3112403021 is an apocalyptic number.

It is an amenable number.

3112403021 is a deficient number, since it is larger than the sum of its proper divisors (790200019).

3112403021 is a wasteful number, since it uses less digits than its factorization.

3112403021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473 (or 4466 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3112403021 is about 55788.9148577027. The cubic root of 3112403021 is about 1460.0417547638.

Adding to 3112403021 its reverse (1203042113), we get a palindrome (4315445134).

The spelling of 3112403021 in words is "three billion, one hundred twelve million, four hundred three thousand, twenty-one".