13100213231 has 4 divisors (see below), whose sum is σ = 14971672272. Its totient is φ = 11228754192.

The previous prime is 13100213207. The next prime is 13100213237. The reversal of 13100213231 is 13231200131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13100213231 - 2¹⁸ = 13099951087 is a prime.

It is a super-2 number, since 2×13100213231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100213237) 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, 935729510 + ... + 935729523.

It is an arithmetic number, because the mean of its divisors is an integer number (3742918068).

Almost surely, 2^13100213231 is an apocalyptic number.

13100213231 is a deficient number, since it is larger than the sum of its proper divisors (1871459041).

13100213231 is an equidigital number, since it uses as much as digits as its factorization.

13100213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871459040.

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

Adding to 13100213231 its reverse (13231200131), we get a palindrome (26331413362).

The spelling of 13100213231 in words is "thirteen billion, one hundred million, two hundred thirteen thousand, two hundred thirty-one".