131024111131 has 8 divisors (see below), whose sum is σ = 138196520000. Its totient is φ = 123879342600.

The previous prime is 131024111123. The next prime is 131024111149. The reversal of 131024111131 is 131111420131.

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

It is not a de Polignac number, because 131024111131 - 2³ = 131024111123 is a prime.

It is a super-2 number, since 2×131024111131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131024111099 and 131024111108.

It is not an unprimeable number, because it can be changed into a prime (131024111111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6900345 + ... + 6919306.

It is an arithmetic number, because the mean of its divisors is an integer number (17274565000).

Almost surely, 2^131024111131 is an apocalyptic number.

131024111131 is a deficient number, since it is larger than the sum of its proper divisors (7172408869).

131024111131 is a wasteful number, since it uses less digits than its factorization.

131024111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13820169.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 131024111131 its reverse (131111420131), we get a palindrome (262135531262).

The spelling of 131024111131 in words is "one hundred thirty-one billion, twenty-four million, one hundred eleven thousand, one hundred thirty-one".