22311332131 has 4 divisors (see below), whose sum is σ = 24339635064. Its totient is φ = 20283029200.

The previous prime is 22311332111. The next prime is 22311332201. The reversal of 22311332131 is 13123311322.

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 22311332131 - 2⁷ = 22311332003 is a prime.

It is a super-3 number, since 3×22311332131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22311332111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014151450 + ... + 1014151471.

It is an arithmetic number, because the mean of its divisors is an integer number (6084908766).

Almost surely, 2^22311332131 is an apocalyptic number.

22311332131 is a deficient number, since it is larger than the sum of its proper divisors (2028302933).

22311332131 is a wasteful number, since it uses less digits than its factorization.

22311332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028302932.

The product of its digits is 648, while the sum is 22.

Adding to 22311332131 its reverse (13123311322), we get a palindrome (35434643453).

The spelling of 22311332131 in words is "twenty-two billion, three hundred eleven million, three hundred thirty-two thousand, one hundred thirty-one".