31711796479 has 8 divisors (see below), whose sum is σ = 34847204688. Its totient is φ = 28618474560.

The previous prime is 31711796453. The next prime is 31711796513. The reversal of 31711796479 is 97469711713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31711796479 - 2¹¹ = 31711794431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31711796419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10519992 + ... + 10523005.

It is an arithmetic number, because the mean of its divisors is an integer number (4355900586).

Almost surely, 2^31711796479 is an apocalyptic number.

31711796479 is a deficient number, since it is larger than the sum of its proper divisors (3135408209).

31711796479 is a wasteful number, since it uses less digits than its factorization.

31711796479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21043145.

The product of its digits is 2000376, while the sum is 55.

The spelling of 31711796479 in words is "thirty-one billion, seven hundred eleven million, seven hundred ninety-six thousand, four hundred seventy-nine".