31979002 has 16 divisors (see below), whose sum is σ = 52488000. Its totient is φ = 14491840.

The previous prime is 31978979. The next prime is 31979029. The reversal of 31979002 is 20097913.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5874 + ... + 9922.

It is an arithmetic number, because the mean of its divisors is an integer number (3280500).

Almost surely, 2^31979002 is an apocalyptic number.

31979002 is a deficient number, since it is larger than the sum of its proper divisors (20508998).

31979002 is a wasteful number, since it uses less digits than its factorization.

31979002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 31979002 is about 5654.9979664010. The cubic root of 31979002 is about 317.4107530172.

The spelling of 31979002 in words is "thirty-one million, nine hundred seventy-nine thousand, two".