13100353421 has 4 divisors (see below), whose sum is σ = 13295881152. Its totient is φ = 12904825692.

The previous prime is 13100353373. The next prime is 13100353423. The reversal of 13100353421 is 12435300131.

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 13100353421 - 2²⁶ = 13033244557 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 (13100353423) 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, 97763765 + ... + 97763898.

It is an arithmetic number, because the mean of its divisors is an integer number (3323970288).

Almost surely, 2^13100353421 is an apocalyptic number.

It is an amenable number.

13100353421 is a deficient number, since it is larger than the sum of its proper divisors (195527731).

13100353421 is an equidigital number, since it uses as much as digits as its factorization.

13100353421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195527730.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 13100353421 its reverse (12435300131), we get a palindrome (25535653552).

The spelling of 13100353421 in words is "thirteen billion, one hundred million, three hundred fifty-three thousand, four hundred twenty-one".