131118791351 has 4 divisors (see below), whose sum is σ = 131292000552. Its totient is φ = 130945582152.

The previous prime is 131118791347. The next prime is 131118791407. The reversal of 131118791351 is 153197811131.

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 131118791351 - 2² = 131118791347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131118791299 and 131118791308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131118791651) 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, 86603465 + ... + 86604978.

It is an arithmetic number, because the mean of its divisors is an integer number (32823000138).

Almost surely, 2^131118791351 is an apocalyptic number.

131118791351 is a deficient number, since it is larger than the sum of its proper divisors (173209201).

131118791351 is an equidigital number, since it uses as much as digits as its factorization.

131118791351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173209200.

The product of its digits is 22680, while the sum is 41.

The spelling of 131118791351 in words is "one hundred thirty-one billion, one hundred eighteen million, seven hundred ninety-one thousand, three hundred fifty-one".