130131603 has 42 divisors (see below), whose sum is σ = 227024844. Its totient is φ = 74340504.

The previous prime is 130131571. The next prime is 130131619. The reversal of 130131603 is 306131031.

130131603 is a `hidden beast` number, since 1 + 30 + 1 + 31 + 603 = 666.

It is not a de Polignac number, because 130131603 - 2⁵ = 130131571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130131643) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 33900 + ... + 37542.

Almost surely, 2^130131603 is an apocalyptic number.

130131603 is a deficient number, since it is larger than the sum of its proper divisors (96893241).

130131603 is an frugal number, since it uses more digits than its factorization.

130131603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 130131603 is about 11407.5239644719. The cubic root of 130131603 is about 506.7505863323.

Adding to 130131603 its reverse (306131031), we get a palindrome (436262634).

The spelling of 130131603 in words is "one hundred thirty million, one hundred thirty-one thousand, six hundred three".