13131122051 has 8 divisors (see below), whose sum is σ = 13373234784. Its totient is φ = 12890597440.

The previous prime is 13131122047. The next prime is 13131122071. The reversal of 13131122051 is 15022113131.

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 13131122051 - 2² = 13131122047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131122021) 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, 380336 + ... + 413421.

It is an arithmetic number, because the mean of its divisors is an integer number (1671654348).

Almost surely, 2^13131122051 is an apocalyptic number.

13131122051 is a deficient number, since it is larger than the sum of its proper divisors (242112733).

13131122051 is an equidigital number, since it uses as much as digits as its factorization.

13131122051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794061.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 13131122051 its reverse (15022113131), we get a palindrome (28153235182).

The spelling of 13131122051 in words is "thirteen billion, one hundred thirty-one million, one hundred twenty-two thousand, fifty-one".