31136196 has 48 divisors (see below), whose sum is σ = 89419904. Its totient is φ = 8211456.

The previous prime is 31136153. The next prime is 31136201. The reversal of 31136196 is 69163113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13165 + ... + 15348.

Almost surely, 2^31136196 is an apocalyptic number.

It is an amenable number.

31136196 is an abundant number, since it is smaller than the sum of its proper divisors (58283708).

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

31136196 is a wasteful number, since it uses less digits than its factorization.

31136196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28540 (or 28538 counting only the distinct ones).

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

The square root of 31136196 is about 5579.9817204002. The cubic root of 31136196 is about 314.5974399046.

The spelling of 31136196 in words is "thirty-one million, one hundred thirty-six thousand, one hundred ninety-six".