13013103231131 has 4 divisors (see below), whose sum is σ = 13018904884392. Its totient is φ = 13007301577872.

The previous prime is 13013103231127. The next prime is 13013103231133. The reversal of 13013103231131 is 13113230131031.

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 13013103231131 - 2² = 13013103231127 is a prime.

It is a super-2 number, since 2×13013103231131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13013103231097 and 13013103231106.

It is not an unprimeable number, because it can be changed into a prime (13013103231133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2900823266 + ... + 2900827751.

It is an arithmetic number, because the mean of its divisors is an integer number (3254726221098).

Almost surely, 2^{13013103231131} is an apocalyptic number.

13013103231131 is a deficient number, since it is larger than the sum of its proper divisors (5801653261).

13013103231131 is an equidigital number, since it uses as much as digits as its factorization.

13013103231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801653260.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 13013103231131 its reverse (13113230131031), we get a palindrome (26126333362162).

The spelling of 13013103231131 in words is "thirteen trillion, thirteen billion, one hundred three million, two hundred thirty-one thousand, one hundred thirty-one".