31074663 has 4 divisors (see below), whose sum is σ = 41432888. Its totient is φ = 20716440.

The previous prime is 31074653. The next prime is 31074683. The reversal of 31074663 is 36647013.

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

It is not a de Polignac number, because 31074663 - 2⁶ = 31074599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31074663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31074653) 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, 5179108 + ... + 5179113.

It is an arithmetic number, because the mean of its divisors is an integer number (10358222).

Almost surely, 2^31074663 is an apocalyptic number.

31074663 is a deficient number, since it is larger than the sum of its proper divisors (10358225).

31074663 is a wasteful number, since it uses less digits than its factorization.

31074663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10358224.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 31074663 is about 5574.4652658349. The cubic root of 31074663 is about 314.3900618585.

The spelling of 31074663 in words is "thirty-one million, seventy-four thousand, six hundred sixty-three".