3132831640 has 16 divisors (see below), whose sum is σ = 7048871280. Its totient is φ = 1253132640.

The previous prime is 3132831613. The next prime is 3132831649. The reversal of 3132831640 is 461382313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132831649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39160356 + ... + 39160435.

It is an arithmetic number, because the mean of its divisors is an integer number (440554455).

Almost surely, 2^3132831640 is an apocalyptic number.

It is an amenable number.

3132831640 is an abundant number, since it is smaller than the sum of its proper divisors (3916039640).

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

3132831640 is a wasteful number, since it uses less digits than its factorization.

3132831640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78320802 (or 78320798 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 3132831640 is about 55971.7039226072. The cubic root of 3132831640 is about 1463.2291758214.

The spelling of 3132831640 in words is "three billion, one hundred thirty-two million, eight hundred thirty-one thousand, six hundred forty".