22331331313 has 16 divisors (see below), whose sum is σ = 23745251520. Its totient is φ = 20941756416.

The previous prime is 22331331307. The next prime is 22331331329. The reversal of 22331331313 is 31313313322.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22331331313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22331337313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1769281 + ... + 1781857.

It is an arithmetic number, because the mean of its divisors is an integer number (1484078220).

Almost surely, 2^22331331313 is an apocalyptic number.

It is an amenable number.

22331331313 is a deficient number, since it is larger than the sum of its proper divisors (1413920207).

22331331313 is a wasteful number, since it uses less digits than its factorization.

22331331313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13536.

The product of its digits is 2916, while the sum is 25.

Adding to 22331331313 its reverse (31313313322), we get a palindrome (53644644635).

The spelling of 22331331313 in words is "twenty-two billion, three hundred thirty-one million, three hundred thirty-one thousand, three hundred thirteen".