13123021313 has 8 divisors (see below), whose sum is σ = 13263384960. Its totient is φ = 12982986000.

The previous prime is 13123021291. The next prime is 13123021363. The reversal of 13123021313 is 31312032131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13123021313 - 2⁸ = 13123021057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123021363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298 + ... + 162011.

It is an arithmetic number, because the mean of its divisors is an integer number (1657923120).

Almost surely, 2^13123021313 is an apocalyptic number.

It is an amenable number.

13123021313 is a deficient number, since it is larger than the sum of its proper divisors (140363647).

13123021313 is a wasteful number, since it uses less digits than its factorization.

13123021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164167.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13123021313 its reverse (31312032131), we get a palindrome (44435053444).

The spelling of 13123021313 in words is "thirteen billion, one hundred twenty-three million, twenty-one thousand, three hundred thirteen".