23022031313 has 4 divisors (see below), whose sum is σ = 23259371940. Its totient is φ = 22784690688.

The previous prime is 23022031303. The next prime is 23022031327. The reversal of 23022031313 is 31313022032.

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 17521287424 + 5500743889 = 132368^2 + 74167^2 .

It is a cyclic number.

It is not a de Polignac number, because 23022031313 - 2¹⁰ = 23022030289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23022031303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118670168 + ... + 118670361.

It is an arithmetic number, because the mean of its divisors is an integer number (5814842985).

Almost surely, 2^23022031313 is an apocalyptic number.

It is an amenable number.

23022031313 is a deficient number, since it is larger than the sum of its proper divisors (237340627).

23022031313 is an equidigital number, since it uses as much as digits as its factorization.

23022031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237340626.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23022031313 its reverse (31313022032), we get a palindrome (54335053345).

The spelling of 23022031313 in words is "twenty-three billion, twenty-two million, thirty-one thousand, three hundred thirteen".