22320040131 has 28 divisors (see below), whose sum is σ = 33478327680. Its totient is φ = 14873991120.

The previous prime is 22320040111. The next prime is 22320040139. The reversal of 22320040131 is 13104002322.

22320040131 is a `hidden beast` number, since 2 + 232 + 0 + 0 + 401 + 31 = 666.

It is not a de Polignac number, because 22320040131 - 2⁷ = 22320040003 is a prime.

It is a super-3 number, since 3×22320040131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (22320040139) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2467525 + ... + 2476553.

It is an arithmetic number, because the mean of its divisors is an integer number (1195654560).

Almost surely, 2^22320040131 is an apocalyptic number.

22320040131 is a deficient number, since it is larger than the sum of its proper divisors (11158287549).

22320040131 is an frugal number, since it uses more digits than its factorization.

22320040131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438 (or 12423 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22320040131 its reverse (13104002322), we get a palindrome (35424042453).

The spelling of 22320040131 in words is "twenty-two billion, three hundred twenty million, forty thousand, one hundred thirty-one".