131300310331 has 6 divisors (see below), whose sum is σ = 138574566132. Its totient is φ = 124389767340.

The previous prime is 131300310319. The next prime is 131300310343. The reversal of 131300310331 is 133013003131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131300310319) and next prime (131300310343).

It is not a de Polignac number, because 131300310331 - 2¹⁷ = 131300179259 is a prime.

It is a super-2 number, since 2×131300310331² (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 = 131300310299 and 131300310308.

It is not an unprimeable number, because it can be changed into a prime (131300310131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181856025 + ... + 181856746.

It is an arithmetic number, because the mean of its divisors is an integer number (23095761022).

Almost surely, 2^131300310331 is an apocalyptic number.

131300310331 is a deficient number, since it is larger than the sum of its proper divisors (7274255801).

131300310331 is an equidigital number, since it uses as much as digits as its factorization.

131300310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363712809 (or 363712790 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 131300310331 its reverse (133013003131), we get a palindrome (264313313462).

The spelling of 131300310331 in words is "one hundred thirty-one billion, three hundred million, three hundred ten thousand, three hundred thirty-one".