130231131 has 8 divisors (see below), whose sum is σ = 173819664. Its totient is φ = 86731680.

The previous prime is 130231121. The next prime is 130231139. The reversal of 130231131 is 131132031.

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

It is a de Polignac number, because none of the positive numbers 2^k-130231131 is a prime.

It is a super-2 number, since 2×130231131² = 33920294963078322, 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 130231131.

It is not an unprimeable number, because it can be changed into a prime (130231139) 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, 18780 + ... + 24761.

It is an arithmetic number, because the mean of its divisors is an integer number (21727458).

Almost surely, 2^130231131 is an apocalyptic number.

130231131 is a deficient number, since it is larger than the sum of its proper divisors (43588533).

130231131 is an equidigital number, since it uses as much as digits as its factorization.

130231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44541.

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

The square root of 130231131 is about 11411.8855146728. The cubic root of 130231131 is about 506.8797453745.

Adding to 130231131 its reverse (131132031), we get a palindrome (261363162).

The spelling of 130231131 in words is "one hundred thirty million, two hundred thirty-one thousand, one hundred thirty-one".