22013313131 has 2 divisors, whose sum is σ = 22013313132. Its totient is φ = 22013313130.

The previous prime is 22013313097. The next prime is 22013313149. The reversal of 22013313131 is 13131331022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22013313131 - 2²² = 22009118827 is a prime.

It is a super-2 number, since 2×22013313131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22013313191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006656565 + 11006656566.

It is an arithmetic number, because the mean of its divisors is an integer number (11006656566).

Almost surely, 2^22013313131 is an apocalyptic number.

22013313131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22013313131 is an equidigital number, since it uses as much as digits as its factorization.

22013313131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 22013313131 its reverse (13131331022), we get a palindrome (35144644153).

The spelling of 22013313131 in words is "twenty-two billion, thirteen million, three hundred thirteen thousand, one hundred thirty-one".