130312003 has 4 divisors (see below), whose sum is σ = 134515648. Its totient is φ = 126108360.

The previous prime is 130311991. The next prime is 130312019. The reversal of 130312003 is 300213031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130312003 - 2²⁵ = 96757571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130312093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2101776 + ... + 2101837.

It is an arithmetic number, because the mean of its divisors is an integer number (33628912).

Almost surely, 2^130312003 is an apocalyptic number.

130312003 is a deficient number, since it is larger than the sum of its proper divisors (4203645).

130312003 is an equidigital number, since it uses as much as digits as its factorization.

130312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203644.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 130312003 is about 11415.4282880670. The cubic root of 130312003 is about 506.9846457827.

Adding to 130312003 its reverse (300213031), we get a palindrome (430525034).

The spelling of 130312003 in words is "one hundred thirty million, three hundred twelve thousand, three".