31713977284 has 12 divisors (see below), whose sum is σ = 60544865808. Its totient is φ = 14415444200.

The previous prime is 31713977279. The next prime is 31713977291. The reversal of 31713977284 is 48277931713.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 360386062 + ... + 360386149.

It is an arithmetic number, because the mean of its divisors is an integer number (5045405484).

Almost surely, 2^31713977284 is an apocalyptic number.

It is an amenable number.

31713977284 is a deficient number, since it is larger than the sum of its proper divisors (28830888524).

31713977284 is a wasteful number, since it uses less digits than its factorization.

31713977284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720772226 (or 720772224 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 52.

The spelling of 31713977284 in words is "thirty-one billion, seven hundred thirteen million, nine hundred seventy-seven thousand, two hundred eighty-four".