23331321021313 has 4 divisors (see below), whose sum is σ = 23417414457088. Its totient is φ = 23245227585540.

The previous prime is 23331321021299. The next prime is 23331321021361. The reversal of 23331321021313 is 31312012313332.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-23331321021313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23331321021713) 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, 43046717481 + ... + 43046718022.

It is an arithmetic number, because the mean of its divisors is an integer number (5854353614272).

Almost surely, 2^{23331321021313} is an apocalyptic number.

It is an amenable number.

23331321021313 is a deficient number, since it is larger than the sum of its proper divisors (86093435775).

23331321021313 is an equidigital number, since it uses as much as digits as its factorization.

23331321021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86093435774.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 23331321021313 its reverse (31312012313332), we get a palindrome (54643333334645).

The spelling of 23331321021313 in words is "twenty-three trillion, three hundred thirty-one billion, three hundred twenty-one million, twenty-one thousand, three hundred thirteen".