31696325 has 12 divisors (see below), whose sum is σ = 39695748. Its totient is φ = 25104000.

The previous prime is 31696319. The next prime is 31696339. The reversal of 31696325 is 52369613.

It can be written as a sum of positive squares in 6 ways, for example, as 7745089 + 23951236 = 2783^2 + 4894^2 .

It is not a de Polignac number, because 31696325 - 2⁶ = 31696261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3752 + ... + 8801.

It is an arithmetic number, because the mean of its divisors is an integer number (3307979).

Almost surely, 2^31696325 is an apocalyptic number.

It is an amenable number.

31696325 is a deficient number, since it is larger than the sum of its proper divisors (7999423).

31696325 is a wasteful number, since it uses less digits than its factorization.

31696325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12664 (or 12659 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 31696325 is about 5629.9489340490. The cubic root of 31696325 is about 316.4727375240.

The spelling of 31696325 in words is "thirty-one million, six hundred ninety-six thousand, three hundred twenty-five".