131102031131 has 4 divisors (see below), whose sum is σ = 131477682000. Its totient is φ = 130726380264.

The previous prime is 131102031083. The next prime is 131102031161. The reversal of 131102031131 is 131130201131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131130201131 = 17 ⋅7713541243.

It is a cyclic number.

It is not a de Polignac number, because 131102031131 - 2²⁶ = 131034922267 is a prime.

It is a super-2 number, since 2×131102031131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131102031161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187824911 + ... + 187825608.

It is an arithmetic number, because the mean of its divisors is an integer number (32869420500).

Almost surely, 2^131102031131 is an apocalyptic number.

131102031131 is a deficient number, since it is larger than the sum of its proper divisors (375650869).

131102031131 is an equidigital number, since it uses as much as digits as its factorization.

131102031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375650868.

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

Adding to 131102031131 its reverse (131130201131), we get a palindrome (262232232262).

The spelling of 131102031131 in words is "one hundred thirty-one billion, one hundred two million, thirty-one thousand, one hundred thirty-one".