22313132131 has 4 divisors (see below), whose sum is σ = 22344963264. Its totient is φ = 22281301000.

The previous prime is 22313132119. The next prime is 22313132147. The reversal of 22313132131 is 13123131322.

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 22313132131 - 2⁷ = 22313132003 is a prime.

It is a super-3 number, since 3×22313132131³ (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 (22313132431) 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, 15914515 + ... + 15915916.

It is an arithmetic number, because the mean of its divisors is an integer number (5586240816).

Almost surely, 2^22313132131 is an apocalyptic number.

22313132131 is a deficient number, since it is larger than the sum of its proper divisors (31831133).

22313132131 is an equidigital number, since it uses as much as digits as its factorization.

22313132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31831132.

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

Adding to 22313132131 its reverse (13123131322), we get a palindrome (35436263453).

The spelling of 22313132131 in words is "twenty-two billion, three hundred thirteen million, one hundred thirty-two thousand, one hundred thirty-one".