3139031900 has 36 divisors (see below), whose sum is σ = 6995807448. Its totient is φ = 1221675840.

The previous prime is 3139031893. The next prime is 3139031921. The reversal of 3139031900 is 91309313.

It is a super-2 number, since 2×3139031900² = 19707042538435220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420494 + ... + 427893.

Almost surely, 2^3139031900 is an apocalyptic number.

It is an amenable number.

3139031900 is an abundant number, since it is smaller than the sum of its proper divisors (3856775548).

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

3139031900 is a wasteful number, since it uses less digits than its factorization.

3139031900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848438 (or 848431 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 3139031900 is about 56027.0639958940. The cubic root of 3139031900 is about 1464.1938433395.

The spelling of 3139031900 in words is "three billion, one hundred thirty-nine million, thirty-one thousand, nine hundred".