22031012131 has 2 divisors, whose sum is σ = 22031012132. Its totient is φ = 22031012130.

The previous prime is 22031012089. The next prime is 22031012149. The reversal of 22031012131 is 13121013022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22031012131 - 2²⁹ = 21494141219 is a prime.

It is a super-2 number, since 2×22031012131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22031013131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015506065 + 11015506066.

It is an arithmetic number, because the mean of its divisors is an integer number (11015506066).

Almost surely, 2^22031012131 is an apocalyptic number.

22031012131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031012131 is an equidigital number, since it uses as much as digits as its factorization.

22031012131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22031012131 its reverse (13121013022), we get a palindrome (35152025153).

The spelling of 22031012131 in words is "twenty-two billion, thirty-one million, twelve thousand, one hundred thirty-one".