31374079 has 4 divisors (see below), whose sum is σ = 34226280. Its totient is φ = 28521880.

The previous prime is 31374071. The next prime is 31374089. The reversal of 31374079 is 97047313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31374079 - 2³ = 31374071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31374071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426084 + ... + 1426105.

It is an arithmetic number, because the mean of its divisors is an integer number (8556570).

Almost surely, 2^31374079 is an apocalyptic number.

31374079 is a deficient number, since it is larger than the sum of its proper divisors (2852201).

31374079 is a wasteful number, since it uses less digits than its factorization.

31374079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852200.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 31374079 is about 5601.2569125153. The cubic root of 31374079 is about 315.3965912611.

The spelling of 31374079 in words is "thirty-one million, three hundred seventy-four thousand, seventy-nine".