20220131131 has 2 divisors, whose sum is σ = 20220131132. Its totient is φ = 20220131130.

The previous prime is 20220131117. The next prime is 20220131153. The reversal of 20220131131 is 13113102202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20220131131 - 2¹⁵ = 20220098363 is a prime.

It is a super-2 number, since 2×20220131131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20220131111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110065565 + 10110065566.

It is an arithmetic number, because the mean of its divisors is an integer number (10110065566).

Almost surely, 2^20220131131 is an apocalyptic number.

20220131131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220131131 is an equidigital number, since it uses as much as digits as its factorization.

20220131131 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 20220131131 its reverse (13113102202), we get a palindrome (33333233333).

It can be divided in two parts, 202201 and 31131, that added together give a palindrome (233332).

The spelling of 20220131131 in words is "twenty billion, two hundred twenty million, one hundred thirty-one thousand, one hundred thirty-one".