3131912886 has 32 divisors (see below), whose sum is σ = 6316017120. Its totient is φ = 1035288576.

The previous prime is 3131912881. The next prime is 3131912887. The reversal of 3131912886 is 6882191313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131912881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1551750 + ... + 1553766.

It is an arithmetic number, because the mean of its divisors is an integer number (197375535).

Almost surely, 2^3131912886 is an apocalyptic number.

3131912886 is an abundant number, since it is smaller than the sum of its proper divisors (3184104234).

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

3131912886 is a wasteful number, since it uses less digits than its factorization.

3131912886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048.

The product of its digits is 62208, while the sum is 42.

The square root of 3131912886 is about 55963.4960130262. The cubic root of 3131912886 is about 1463.0861232254.

The spelling of 3131912886 in words is "three billion, one hundred thirty-one million, nine hundred twelve thousand, eight hundred eighty-six".