3131249376 has 96 divisors (see below), whose sum is σ = 8457505056. Its totient is φ = 1013760000.

The previous prime is 3131249351. The next prime is 3131249383. The reversal of 3131249376 is 6739421313.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946926 + ... + 950226.

It is an arithmetic number, because the mean of its divisors is an integer number (88099011).

Almost surely, 2^3131249376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131249376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4228752528).

3131249376 is an abundant number, since it is smaller than the sum of its proper divisors (5326255680).

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

3131249376 is a wasteful number, since it uses less digits than its factorization.

3131249376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596 (or 3588 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 3131249376 is about 55957.5676383454. The cubic root of 3131249376 is about 1462.9827954434.

The spelling of 3131249376 in words is "three billion, one hundred thirty-one million, two hundred forty-nine thousand, three hundred seventy-six".