13103312033021 has 16 divisors (see below), whose sum is σ = 15958784692224. Its totient is φ = 10514511777264.

The previous prime is 13103312032969. The next prime is 13103312033051. The reversal of 13103312033021 is 12033021330131.

It is not a de Polignac number, because 13103312033021 - 2²² = 13103307838717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103312033051) 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, 865811915 + ... + 865827048.

It is an arithmetic number, because the mean of its divisors is an integer number (997424043264).

Almost surely, 2^{13103312033021} is an apocalyptic number.

It is an amenable number.

13103312033021 is a deficient number, since it is larger than the sum of its proper divisors (2855472659203).

13103312033021 is a wasteful number, since it uses less digits than its factorization.

13103312033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731639040.

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

Adding to 13103312033021 its reverse (12033021330131), we get a palindrome (25136333363152).

The spelling of 13103312033021 in words is "thirteen trillion, one hundred three billion, three hundred twelve million, thirty-three thousand, twenty-one".