31074039 has 6 divisors (see below), whose sum is σ = 44884736. Its totient is φ = 20716020.

The previous prime is 31074037. The next prime is 31074053. The reversal of 31074039 is 93047013.

It is not a de Polignac number, because 31074039 - 2¹ = 31074037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31074031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1726327 + ... + 1726344.

Almost surely, 2^31074039 is an apocalyptic number.

31074039 is a deficient number, since it is larger than the sum of its proper divisors (13810697).

31074039 is a wasteful number, since it uses less digits than its factorization.

31074039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452677 (or 3452674 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 31074039 is about 5574.4092960600. The cubic root of 31074039 is about 314.3879574569.

The spelling of 31074039 in words is "thirty-one million, seventy-four thousand, thirty-nine".