31316196 has 12 divisors (see below), whose sum is σ = 73071152. Its totient is φ = 10438728.

The previous prime is 31316167. The next prime is 31316203. The reversal of 31316196 is 69161313.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304830 + ... + 1304853.

Almost surely, 2^31316196 is an apocalyptic number.

It is an amenable number.

31316196 is an abundant number, since it is smaller than the sum of its proper divisors (41754956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31316196 is a wasteful number, since it uses less digits than its factorization.

31316196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609690 (or 2609688 counting only the distinct ones).

The product of its digits is 2916, while the sum is 30.

The square root of 31316196 is about 5596.0875618596. The cubic root of 31316196 is about 315.2025102440.

The spelling of 31316196 in words is "thirty-one million, three hundred sixteen thousand, one hundred ninety-six".