31422713663 has 4 divisors (see below), whose sum is σ = 34279324008. Its totient is φ = 28566103320.

The previous prime is 31422713639. The next prime is 31422713687. The reversal of 31422713663 is 36631722413.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (31422713639) and next prime (31422713687).

It is a cyclic number.

It is not a de Polignac number, because 31422713663 - 2⁶ = 31422713599 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 (31422713603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428305156 + ... + 1428305177.

It is an arithmetic number, because the mean of its divisors is an integer number (8569831002).

Almost surely, 2^31422713663 is an apocalyptic number.

31422713663 is a deficient number, since it is larger than the sum of its proper divisors (2856610345).

31422713663 is a wasteful number, since it uses less digits than its factorization.

31422713663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856610344.

The product of its digits is 108864, while the sum is 38.

The spelling of 31422713663 in words is "thirty-one billion, four hundred twenty-two million, seven hundred thirteen thousand, six hundred sixty-three".