31169097 has 8 divisors (see below), whose sum is σ = 46176480. Its totient is φ = 20779380.

The previous prime is 31169093. The next prime is 31169111. The reversal of 31169097 is 79096113.

It is not a de Polignac number, because 31169097 - 2² = 31169093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31169093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577179 + ... + 577232.

It is an arithmetic number, because the mean of its divisors is an integer number (5772060).

Almost surely, 2^31169097 is an apocalyptic number.

It is an amenable number.

31169097 is a deficient number, since it is larger than the sum of its proper divisors (15007383).

31169097 is a wasteful number, since it uses less digits than its factorization.

31169097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154420 (or 1154414 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 31169097 is about 5582.9290699417. The cubic root of 31169097 is about 314.7082105199.

The spelling of 31169097 in words is "thirty-one million, one hundred sixty-nine thousand, ninety-seven".