31986472010 has 16 divisors (see below), whose sum is σ = 58434988896. Its totient is φ = 12603624528.

The previous prime is 31986471989. The next prime is 31986472019. The reversal of 31986472010 is 1027468913.

It is not an unprimeable number, because it can be changed into a prime (31986472019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23869832 + ... + 23871171.

It is an arithmetic number, because the mean of its divisors is an integer number (3652186806).

Almost surely, 2^31986472010 is an apocalyptic number.

31986472010 is a deficient number, since it is larger than the sum of its proper divisors (26448516886).

31986472010 is a wasteful number, since it uses less digits than its factorization.

31986472010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47741077.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 31986472010 in words is "thirty-one billion, nine hundred eighty-six million, four hundred seventy-two thousand, ten".