22713347831 has 4 divisors (see below), whose sum is σ = 22715607000. Its totient is φ = 22711088664.

The previous prime is 22713347791. The next prime is 22713347851. The reversal of 22713347831 is 13874331722.

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

It is a cyclic number.

It is not a de Polignac number, because 22713347831 - 2¹⁴ = 22713331447 is a prime.

It is a super-2 number, since 2×22713347831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22713347851) 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, 1114436 + ... + 1134633.

It is an arithmetic number, because the mean of its divisors is an integer number (5678901750).

Almost surely, 2^22713347831 is an apocalyptic number.

22713347831 is a deficient number, since it is larger than the sum of its proper divisors (2259169).

22713347831 is a wasteful number, since it uses less digits than its factorization.

22713347831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259168.

The product of its digits is 169344, while the sum is 41.

The spelling of 22713347831 in words is "twenty-two billion, seven hundred thirteen million, three hundred forty-seven thousand, eight hundred thirty-one".