31074197 has 16 divisors (see below), whose sum is σ = 38886912. Its totient is φ = 24123120.

The previous prime is 31074163. The next prime is 31074217. The reversal of 31074197 is 79147013.

It is not a de Polignac number, because 31074197 - 2¹⁴ = 31057813 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 (31074107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26138 + ... + 27300.

It is an arithmetic number, because the mean of its divisors is an integer number (2430432).

Almost surely, 2^31074197 is an apocalyptic number.

It is an amenable number.

31074197 is a deficient number, since it is larger than the sum of its proper divisors (7812715).

31074197 is a wasteful number, since it uses less digits than its factorization.

31074197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 31074197 is about 5574.4234679472. The cubic root of 31074197 is about 314.3884903048.

The spelling of 31074197 in words is "thirty-one million, seventy-four thousand, one hundred ninety-seven".