1931314132 has 12 divisors (see below), whose sum is σ = 3687054336. Its totient is φ = 877870040.

The previous prime is 1931314127. The next prime is 1931314159. The reversal of 1931314132 is 2314131391.

It is a self number, because there is not a number n which added to its sum of digits gives 1931314132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21946708 + ... + 21946795.

It is an arithmetic number, because the mean of its divisors is an integer number (307254528).

Almost surely, 2^1931314132 is an apocalyptic number.

It is an amenable number.

1931314132 is a deficient number, since it is larger than the sum of its proper divisors (1755740204).

1931314132 is a wasteful number, since it uses less digits than its factorization.

1931314132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43893518 (or 43893516 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 1931314132 is about 43946.7192404621. The cubic root of 1931314132 is about 1245.3295863490.

The spelling of 1931314132 in words is "one billion, nine hundred thirty-one million, three hundred fourteen thousand, one hundred thirty-two".