131300231131 has 4 divisors (see below), whose sum is σ = 131305154832. Its totient is φ = 131295307432.

The previous prime is 131300231107. The next prime is 131300231213. The reversal of 131300231131 is 131132003131.

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 131300231131 - 2¹¹ = 131300229083 is a prime.

It is a super-2 number, since 2×131300231131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131300231099 and 131300231108.

It is not an unprimeable number, because it can be changed into a prime (131300231431) 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, 2421631 + ... + 2475256.

It is an arithmetic number, because the mean of its divisors is an integer number (32826288708).

Almost surely, 2^131300231131 is an apocalyptic number.

131300231131 is a deficient number, since it is larger than the sum of its proper divisors (4923701).

131300231131 is an equidigital number, since it uses as much as digits as its factorization.

131300231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923700.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131300231131 its reverse (131132003131), we get a palindrome (262432234262).

The spelling of 131300231131 in words is "one hundred thirty-one billion, three hundred million, two hundred thirty-one thousand, one hundred thirty-one".