13023103313021 has 16 divisors (see below), whose sum is σ = 13739590425600. Its totient is φ = 12309728841648.

The previous prime is 13023103312997. The next prime is 13023103313041. The reversal of 13023103313021 is 12031330132031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13023103313021 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 (13023103313041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74827820 + ... + 75001658.

It is an arithmetic number, because the mean of its divisors is an integer number (858724401600).

Almost surely, 2^{13023103313021} is an apocalyptic number.

It is an amenable number.

13023103313021 is a deficient number, since it is larger than the sum of its proper divisors (716487112579).

13023103313021 is a wasteful number, since it uses less digits than its factorization.

13023103313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182768.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13023103313021 its reverse (12031330132031), we get a palindrome (25054433445052).

The spelling of 13023103313021 in words is "thirteen trillion, twenty-three billion, one hundred three million, three hundred thirteen thousand, twenty-one".