131130031 has 8 divisors (see below), whose sum is σ = 135847424. Its totient is φ = 126443160.

The previous prime is 131130029. The next prime is 131130071. The reversal of 131130031 is 130031131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131130031 - 2¹ = 131130029 is a prime.

It is a super-2 number, since 2×131130031² = 34390170060121922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131129993 and 131130020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131130071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300 + ... + 16246.

It is an arithmetic number, because the mean of its divisors is an integer number (16980928).

Almost surely, 2^131130031 is an apocalyptic number.

131130031 is a deficient number, since it is larger than the sum of its proper divisors (4717393).

131130031 is a wasteful number, since it uses less digits than its factorization.

131130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15261.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 131130031 is about 11451.2021639651. The cubic root of 131130031 is about 508.0432917722.

Adding to 131130031 its reverse (130031131), we get a palindrome (261161162).

The spelling of 131130031 in words is "one hundred thirty-one million, one hundred thirty thousand, thirty-one".