31704840713 has 32 divisors (see below), whose sum is σ = 41949143040. Its totient is φ = 23259182400.

The previous prime is 31704840709. The next prime is 31704840721.

31704840713 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31704840713 - 2² = 31704840709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31704840743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113813 + ... + 276338.

It is an arithmetic number, because the mean of its divisors is an integer number (1310910720).

Almost surely, 2^31704840713 is an apocalyptic number.

It is an amenable number.

31704840713 is a deficient number, since it is larger than the sum of its proper divisors (10244302327).

31704840713 is a wasteful number, since it uses less digits than its factorization.

31704840713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390237.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 31704840713 in words is "thirty-one billion, seven hundred four million, eight hundred forty thousand, seven hundred thirteen".