130511603 has 2 divisors, whose sum is σ = 130511604. Its totient is φ = 130511602.

The previous prime is 130511593. The next prime is 130511611. The reversal of 130511603 is 306115031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130511603 - 2⁴ = 130511587 is a prime.

It is not a weakly prime, because it can be changed into another prime (130511653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65255801 + 65255802.

It is an arithmetic number, because the mean of its divisors is an integer number (65255802).

Almost surely, 2^130511603 is an apocalyptic number.

130511603 is a deficient number, since it is larger than the sum of its proper divisors (1).

130511603 is an equidigital number, since it uses as much as digits as its factorization.

130511603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 130511603 is about 11424.1674970214. The cubic root of 130511603 is about 507.2433646274.

Adding to 130511603 its reverse (306115031), we get a palindrome (436626634).

The spelling of 130511603 in words is "one hundred thirty million, five hundred eleven thousand, six hundred three".