31696485 has 16 divisors (see below), whose sum is σ = 51952320. Its totient is φ = 16492160.

The previous prime is 31696453. The next prime is 31696487. The reversal of 31696485 is 58469613.

It is not a de Polignac number, because 31696485 - 2⁵ = 31696453 is a prime.

It is a super-2 number, since 2×31696485² = 2009334322710450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31696487) 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, 25155 + ... + 26384.

It is an arithmetic number, because the mean of its divisors is an integer number (3247020).

Almost surely, 2^31696485 is an apocalyptic number.

It is an amenable number.

31696485 is a deficient number, since it is larger than the sum of its proper divisors (20255835).

31696485 is a wasteful number, since it uses less digits than its factorization.

31696485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51588.

The product of its digits is 155520, while the sum is 42.

The square root of 31696485 is about 5629.9631437515. The cubic root of 31696485 is about 316.4732700311.

The spelling of 31696485 in words is "thirty-one million, six hundred ninety-six thousand, four hundred eighty-five".