13313102021 has 4 divisors (see below), whose sum is σ = 13313335200. Its totient is φ = 13312868844.

The previous prime is 13313102017. The next prime is 13313102027. The reversal of 13313102021 is 12020131331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13313102021 - 2² = 13313102017 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 (13313102027) 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, 33200 + ... + 166518.

It is an arithmetic number, because the mean of its divisors is an integer number (3328333800).

Almost surely, 2^13313102021 is an apocalyptic number.

It is an amenable number.

13313102021 is a deficient number, since it is larger than the sum of its proper divisors (233179).

13313102021 is an equidigital number, since it uses as much as digits as its factorization.

13313102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233178.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13313102021 its reverse (12020131331), we get a palindrome (25333233352).

It can be divided in two parts, 1331310 and 2021, that added together give a palindrome (1333331).

The spelling of 13313102021 in words is "thirteen billion, three hundred thirteen million, one hundred two thousand, twenty-one".