131303023131 has 16 divisors (see below), whose sum is σ = 211850256384. Its totient is φ = 70616751744.

The previous prime is 131303023123. The next prime is 131303023141. The reversal of 131303023131 is 131320303131.

It is not a de Polignac number, because 131303023131 - 2³ = 131303023123 is a prime.

It is a super-2 number, since 2×131303023131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 131303023098 and 131303023107.

It is not an unprimeable number, because it can be changed into a prime (131303023141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183897435 + ... + 183898148.

It is an arithmetic number, because the mean of its divisors is an integer number (13240641024).

Almost surely, 2^131303023131 is an apocalyptic number.

131303023131 is a deficient number, since it is larger than the sum of its proper divisors (80547233253).

131303023131 is a wasteful number, since it uses less digits than its factorization.

131303023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367795610.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 131303023131 its reverse (131320303131), we get a palindrome (262623326262).

The spelling of 131303023131 in words is "one hundred thirty-one billion, three hundred three million, twenty-three thousand, one hundred thirty-one".