31374080 has 72 divisors (see below), whose sum is σ = 76134912. Its totient is φ = 12386304.

The previous prime is 31374071. The next prime is 31374089. The reversal of 31374080 is 8047313.

It is an interprime number because it is at equal distance from previous prime (31374071) and next prime (31374089).

It is not an unprimeable number, because it can be changed into a prime (31374089) 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 7 ways as a sum of consecutive naturals, for example, 162464 + ... + 162656.

Almost surely, 2^31374080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31374080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38067456).

31374080 is an abundant number, since it is smaller than the sum of its proper divisors (44760832).

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

31374080 is a wasteful number, since it uses less digits than its factorization.

31374080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 31374080 is about 5601.2570017809. The cubic root of 31374080 is about 315.3965946120.

The spelling of 31374080 in words is "thirty-one million, three hundred seventy-four thousand, eighty".