31379074 has 16 divisors (see below), whose sum is σ = 48143160. Its totient is φ = 15333760.

The previous prime is 31379057. The next prime is 31379129. The reversal of 31379074 is 47097313.

It can be written as a sum of positive squares in 4 ways, for example, as 15721225 + 15657849 = 3965^2 + 3957^2 .

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40854 + ... + 41614.

Almost surely, 2^31379074 is an apocalyptic number.

31379074 is a deficient number, since it is larger than the sum of its proper divisors (16764086).

31379074 is a wasteful number, since it uses less digits than its factorization.

31379074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205.

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

The square root of 31379074 is about 5601.7027768349. The cubic root of 31379074 is about 315.4133282451.

The spelling of 31379074 in words is "thirty-one million, three hundred seventy-nine thousand, seventy-four".