130140031 has 8 divisors (see below), whose sum is σ = 151767200. Its totient is φ = 111548304.

The previous prime is 130140011. The next prime is 130140047. The reversal of 130140031 is 130041031.

It is not a de Polignac number, because 130140031 - 2⁷ = 130139903 is a prime.

It is a super-2 number, since 2×130140031² = 33872855337361922, 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 = 130139993 and 130140020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130140011) 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, 189366 + ... + 190051.

It is an arithmetic number, because the mean of its divisors is an integer number (18970900).

Almost surely, 2^130140031 is an apocalyptic number.

130140031 is a deficient number, since it is larger than the sum of its proper divisors (21627169).

130140031 is an frugal number, since it uses more digits than its factorization.

130140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379438 (or 379424 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130140031 is about 11407.8933638074. The cubic root of 130140031 is about 506.7615260314.

Adding to 130140031 its reverse (130041031), we get a palindrome (260181062).

The spelling of 130140031 in words is "one hundred thirty million, one hundred forty thousand, thirty-one".