22530431513 has 4 divisors (see below), whose sum is σ = 22531239780. Its totient is φ = 22529623248.

The previous prime is 22530431507. The next prime is 22530431543. The reversal of 22530431513 is 31513403522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14149578304 + 8380853209 = 118952^2 + 91547^2 .

It is a cyclic number.

It is not a de Polignac number, because 22530431513 - 2¹⁸ = 22530169369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22530431543) 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, 360770 + ... + 418587.

It is an arithmetic number, because the mean of its divisors is an integer number (5632809945).

Almost surely, 2^22530431513 is an apocalyptic number.

It is an amenable number.

22530431513 is a deficient number, since it is larger than the sum of its proper divisors (808267).

22530431513 is an equidigital number, since it uses as much as digits as its factorization.

22530431513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808266.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 22530431513 in words is "twenty-two billion, five hundred thirty million, four hundred thirty-one thousand, five hundred thirteen".