13313231023 has 2 divisors, whose sum is σ = 13313231024. Its totient is φ = 13313231022.

The previous prime is 13313231021. The next prime is 13313231081. The reversal of 13313231023 is 32013231331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13313231023 - 2¹ = 13313231021 is a prime.

Together with 13313231021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13313230985 and 13313231003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13313231021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656615511 + 6656615512.

It is an arithmetic number, because the mean of its divisors is an integer number (6656615512).

Almost surely, 2^13313231023 is an apocalyptic number.

13313231023 is a deficient number, since it is larger than the sum of its proper divisors (1).

13313231023 is an equidigital number, since it uses as much as digits as its factorization.

13313231023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13313231023 its reverse (32013231331), we get a palindrome (45326462354).

The spelling of 13313231023 in words is "thirteen billion, three hundred thirteen million, two hundred thirty-one thousand, twenty-three".