22311023131 has 2 divisors, whose sum is σ = 22311023132. Its totient is φ = 22311023130.

The previous prime is 22311023123. The next prime is 22311023143. The reversal of 22311023131 is 13132011322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22311023131 - 2³ = 22311023123 is a prime.

It is a super-3 number, since 3×22311023131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22311023099 and 22311023108.

It is not a weakly prime, because it can be changed into another prime (22311023191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11155511565 + 11155511566.

It is an arithmetic number, because the mean of its divisors is an integer number (11155511566).

Almost surely, 2^22311023131 is an apocalyptic number.

22311023131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22311023131 is an equidigital number, since it uses as much as digits as its factorization.

22311023131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22311023131 its reverse (13132011322), we get a palindrome (35443034453).

The spelling of 22311023131 in words is "twenty-two billion, three hundred eleven million, twenty-three thousand, one hundred thirty-one".