22311331013 has 4 divisors (see below), whose sum is σ = 22336485600. Its totient is φ = 22286176428.

The previous prime is 22311330971. The next prime is 22311331051. The reversal of 22311331013 is 31013311322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22311331013 - 2⁶ = 22311330949 is a prime.

It is a super-3 number, since 3×22311331013³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22311331093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12575963 + ... + 12577736.

It is an arithmetic number, because the mean of its divisors is an integer number (5584121400).

Almost surely, 2^22311331013 is an apocalyptic number.

It is an amenable number.

22311331013 is a deficient number, since it is larger than the sum of its proper divisors (25154587).

22311331013 is an equidigital number, since it uses as much as digits as its factorization.

22311331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25154586.

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

Adding to 22311331013 its reverse (31013311322), we get a palindrome (53324642335).

The spelling of 22311331013 in words is "twenty-two billion, three hundred eleven million, three hundred thirty-one thousand, thirteen".