31374344 has 16 divisors (see below), whose sum is σ = 59074620. Its totient is φ = 15621120.

The previous prime is 31374341. The next prime is 31374347. The reversal of 31374344 is 44347313.

It is an interprime number because it is at equal distance from previous prime (31374341) and next prime (31374347).

It can be written as a sum of positive squares in 2 ways, for example, as 25908100 + 5466244 = 5090^2 + 2338^2 .

It is a super-2 number, since 2×31374344² = 1968698922860672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31374341) by changing a digit.

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, 6209 + ... + 10064.

Almost surely, 2^31374344 is an apocalyptic number.

It is an amenable number.

31374344 is a deficient number, since it is larger than the sum of its proper divisors (27700276).

31374344 is a wasteful number, since it uses less digits than its factorization.

31374344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16520 (or 16516 counting only the distinct ones).

The product of its digits is 12096, while the sum is 29.

The square root of 31374344 is about 5601.2805678702. The cubic root of 31374344 is about 315.3974792538.

The spelling of 31374344 in words is "thirty-one million, three hundred seventy-four thousand, three hundred forty-four".