31676290 has 16 divisors (see below), whose sum is σ = 59496768. Its totient is φ = 12119536.

The previous prime is 31676269. The next prime is 31676299. The reversal of 31676290 is 9267613.

It is not an unprimeable number, because it can be changed into a prime (31676299) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 68632 + ... + 69091.

It is an arithmetic number, because the mean of its divisors is an integer number (3718548).

Almost surely, 2^31676290 is an apocalyptic number.

31676290 is a deficient number, since it is larger than the sum of its proper divisors (27820478).

31676290 is a wasteful number, since it uses less digits than its factorization.

31676290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137753.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 31676290 is about 5628.1693293646. The cubic root of 31676290 is about 316.4060434861.

The spelling of 31676290 in words is "thirty-one million, six hundred seventy-six thousand, two hundred ninety".