31274132 has 12 divisors (see below), whose sum is σ = 54778080. Its totient is φ = 15623256.

The previous prime is 31274123. The next prime is 31274141. The reversal of 31274132 is 23147213.

It is an interprime number because it is at equal distance from previous prime (31274123) and next prime (31274141).

It is a junction number, because it is equal to n+sod(n) for n = 31274098 and 31274107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2969 + ... + 8447.

It is an arithmetic number, because the mean of its divisors is an integer number (4564840).

Almost surely, 2^31274132 is an apocalyptic number.

It is an amenable number.

31274132 is a deficient number, since it is larger than the sum of its proper divisors (23503948).

31274132 is a wasteful number, since it uses less digits than its factorization.

31274132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910 (or 6908 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 31274132 is about 5592.3279589094. The cubic root of 31274132 is about 315.0613200518.

The spelling of 31274132 in words is "thirty-one million, two hundred seventy-four thousand, one hundred thirty-two".