3031931145 has 24 divisors (see below), whose sum is σ = 4985777664. Its totient is φ = 1573315776.

The previous prime is 3031931143. The next prime is 3031931183. The reversal of 3031931145 is 5411391303.

3031931145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3031931145 - 2¹ = 3031931143 is a prime.

It is a super-2 number, since 2×3031931145² = 18385212936042022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3031931141) 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, 53289 + ... + 94358.

It is an arithmetic number, because the mean of its divisors is an integer number (207740736).

Almost surely, 2^3031931145 is an apocalyptic number.

It is an amenable number.

3031931145 is a deficient number, since it is larger than the sum of its proper divisors (1953846519).

3031931145 is a wasteful number, since it uses less digits than its factorization.

3031931145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147729 (or 147692 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 3031931145 is about 55062.9743566401. The cubic root of 3031931145 is about 1447.3484868603.

The spelling of 3031931145 in words is "three billion, thirty-one million, nine hundred thirty-one thousand, one hundred forty-five".