22431433020013 has 4 divisors (see below), whose sum is σ = 22435820162428. Its totient is φ = 22427045877600.

The previous prime is 22431433019953. The next prime is 22431433020023. The reversal of 22431433020013 is 31002033413422.

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 655602754249 + 21775830265764 = 809693^2 + 4666458^2 .

It is a cyclic number.

It is not a de Polignac number, because 22431433020013 - 2⁴¹ = 20232409764461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431433020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193563538 + ... + 2193573763.

It is an arithmetic number, because the mean of its divisors is an integer number (5608955040607).

Almost surely, 2^{22431433020013} is an apocalyptic number.

It is an amenable number.

22431433020013 is a deficient number, since it is larger than the sum of its proper divisors (4387142415).

22431433020013 is an equidigital number, since it uses as much as digits as its factorization.

22431433020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387142414.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 22431433020013 its reverse (31002033413422), we get a palindrome (53433466433435).

The spelling of 22431433020013 in words is "twenty-two trillion, four hundred thirty-one billion, four hundred thirty-three million, twenty thousand, thirteen".