130403031 has 24 divisors (see below), whose sum is σ = 199436160. Its totient is φ = 75591120.

The previous prime is 130402981. The next prime is 130403057. The reversal of 130403031 is 130304031.

It is not a de Polignac number, because 130403031 - 2⁶ = 130402967 is a prime.

It is a super-2 number, since 2×130403031² = 34009900987973922, 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 130403031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130403071) 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 23 ways as a sum of consecutive naturals, for example, 540 + ... + 16158.

It is an arithmetic number, because the mean of its divisors is an integer number (8309840).

Almost surely, 2^130403031 is an apocalyptic number.

130403031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130403031 is a deficient number, since it is larger than the sum of its proper divisors (69033129).

130403031 is a wasteful number, since it uses less digits than its factorization.

130403031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15667 (or 15656 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 130403031 is about 11419.4146522490. The cubic root of 130403031 is about 507.1026678008.

Adding to 130403031 its reverse (130304031), we get a palindrome (260707062).

The spelling of 130403031 in words is "one hundred thirty million, four hundred three thousand, thirty-one".