13131120311 has 8 divisors (see below), whose sum is σ = 13448934144. Its totient is φ = 12815901280.

The previous prime is 13131120283. The next prime is 13131120319. The reversal of 13131120311 is 11302113131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13131120311 - 2²⁶ = 13064011447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13131120311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131120319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638456 + ... + 658701.

It is an arithmetic number, because the mean of its divisors is an integer number (1681116768).

Almost surely, 2^13131120311 is an apocalyptic number.

13131120311 is a deficient number, since it is larger than the sum of its proper divisors (317813833).

13131120311 is a wasteful number, since it uses less digits than its factorization.

13131120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297401.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13131120311 its reverse (11302113131), we get a palindrome (24433233442).

The spelling of 13131120311 in words is "thirteen billion, one hundred thirty-one million, one hundred twenty thousand, three hundred eleven".