31711796481 has 8 divisors (see below), whose sum is σ = 44769595104. Its totient is φ = 19897597760.

The previous prime is 31711796453. The next prime is 31711796513. The reversal of 31711796481 is 18469711713.

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 31711796481 - 2⁵ = 31711796449 is a prime.

It is a super-2 number, since 2×31711796481² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31711796481.

It is not an unprimeable number, because it can be changed into a prime (31711796381) 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, 310899915 + ... + 310900016.

It is an arithmetic number, because the mean of its divisors is an integer number (5596199388).

Almost surely, 2^31711796481 is an apocalyptic number.

It is an amenable number.

31711796481 is a deficient number, since it is larger than the sum of its proper divisors (13057798623).

31711796481 is a wasteful number, since it uses less digits than its factorization.

31711796481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621799951.

The product of its digits is 254016, while the sum is 48.

The spelling of 31711796481 in words is "thirty-one billion, seven hundred eleven million, seven hundred ninety-six thousand, four hundred eighty-one".