131152251131 has 4 divisors (see below), whose sum is σ = 143075183064. Its totient is φ = 119229319200.

The previous prime is 131152251119. The next prime is 131152251133.

It is a happy number.

131152251131 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131152251131 is a prime.

It is a super-2 number, since 2×131152251131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131152251131.

It is not an unprimeable number, because it can be changed into a prime (131152251133) 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, 5961465950 + ... + 5961465971.

It is an arithmetic number, because the mean of its divisors is an integer number (35768795766).

Almost surely, 2^131152251131 is an apocalyptic number.

131152251131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131152251131 is a deficient number, since it is larger than the sum of its proper divisors (11922931933).

131152251131 is a wasteful number, since it uses less digits than its factorization.

131152251131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11922931932.

The product of its digits is 900, while the sum is 26.

It can be divided in two parts, 131152 and 251131, that added together give a palindrome (382283).

The spelling of 131152251131 in words is "one hundred thirty-one billion, one hundred fifty-two million, two hundred fifty-one thousand, one hundred thirty-one".