131130231 has 8 divisors (see below), whose sum is σ = 185125104. Its totient is φ = 82277760.

The previous prime is 131130211. The next prime is 131130239. The reversal of 131130231 is 132031131.

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

It is not a de Polignac number, because 131130231 - 2¹⁴ = 131113847 is a prime.

It is a super-2 number, since 2×131130231² = 34390274964226722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131130231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131130239) 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, 1285540 + ... + 1285641.

It is an arithmetic number, because the mean of its divisors is an integer number (23140638).

Almost surely, 2^131130231 is an apocalyptic number.

131130231 is a deficient number, since it is larger than the sum of its proper divisors (53994873).

131130231 is a wasteful number, since it uses less digits than its factorization.

131130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571201.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131130231 is about 11451.2108966694. The cubic root of 131130231 is about 508.0435500619.

Adding to 131130231 its reverse (132031131), we get a palindrome (263161362).

The spelling of 131130231 in words is "one hundred thirty-one million, one hundred thirty thousand, two hundred thirty-one".