31696093 has 24 divisors (see below), whose sum is σ = 39019680. Its totient is φ = 25380960.

The previous prime is 31696073. The next prime is 31696097. The reversal of 31696093 is 39069613.

It is a de Polignac number, because none of the positive numbers 2^k-31696093 is a prime.

It is a super-2 number, since 2×31696093² = 2009284622929298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31696097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75438 + ... + 75856.

It is an arithmetic number, because the mean of its divisors is an integer number (1625820).

Almost surely, 2^31696093 is an apocalyptic number.

It is an amenable number.

31696093 is a deficient number, since it is larger than the sum of its proper divisors (7323587).

31696093 is a wasteful number, since it uses less digits than its factorization.

31696093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 31696093 is about 5629.9283299168. The cubic root of 31696093 is about 316.4719653855.

The spelling of 31696093 in words is "thirty-one million, six hundred ninety-six thousand, ninety-three".