3132831672 has 72 divisors (see below), whose sum is σ = 9013274400. Its totient is φ = 982842624.

The previous prime is 3132831659. The next prime is 3132831677. The reversal of 3132831672 is 2761382313.

3132831672 is a `hidden beast` number, since 313 + 28 + 316 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132831677) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 54472 + ... + 96087.

Almost surely, 2^3132831672 is an apocalyptic number.

It is an amenable number.

3132831672 is an abundant number, since it is smaller than the sum of its proper divisors (5880442728).

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

3132831672 is a wasteful number, since it uses less digits than its factorization.

3132831672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150605 (or 150581 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3132831672 is about 55971.7042084659. The cubic root of 3132831672 is about 1463.2291808034.

The spelling of 3132831672 in words is "three billion, one hundred thirty-two million, eight hundred thirty-one thousand, six hundred seventy-two".