130140231 has 32 divisors (see below), whose sum is σ = 194084352. Its totient is φ = 77051520.

The previous prime is 130140221. The next prime is 130140251. The reversal of 130140231 is 132041031.

130140231 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 130140231 - 2⁷ = 130140103 is a prime.

It is a super-2 number, since 2×130140231² = 33872959449466722, 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 130140231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130140221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118521 + ... + 119613.

It is an arithmetic number, because the mean of its divisors is an integer number (6065136).

Almost surely, 2^130140231 is an apocalyptic number.

130140231 is a deficient number, since it is larger than the sum of its proper divisors (63944121).

130140231 is a wasteful number, since it uses less digits than its factorization.

130140231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130140231 is about 11407.9021296643. The cubic root of 130140231 is about 506.7617856294.

Adding to 130140231 its reverse (132041031), we get a palindrome (262181262).

The spelling of 130140231 in words is "one hundred thirty million, one hundred forty thousand, two hundred thirty-one".