31093996 has 6 divisors (see below), whose sum is σ = 54414500. Its totient is φ = 15546996.

The previous prime is 31093991. The next prime is 31094009. The reversal of 31093996 is 69939013.

It is not an unprimeable number, because it can be changed into a prime (31093991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3886746 + ... + 3886753.

Almost surely, 2^31093996 is an apocalyptic number.

It is an amenable number.

31093996 is a deficient number, since it is larger than the sum of its proper divisors (23320504).

31093996 is a wasteful number, since it uses less digits than its factorization.

31093996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7773503 (or 7773501 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 31093996 is about 5576.1990638785. The cubic root of 31093996 is about 314.4552472585.

The spelling of 31093996 in words is "thirty-one million, ninety-three thousand, nine hundred ninety-six".