1330113403 has 4 divisors (see below), whose sum is σ = 1330263288. Its totient is φ = 1329963520.

The previous prime is 1330113377. The next prime is 1330113443. The reversal of 1330113403 is 3043110331.

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 1330113403 - 2²⁵ = 1296558971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330113443) 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, 60733 + ... + 79678.

It is an arithmetic number, because the mean of its divisors is an integer number (332565822).

Almost surely, 2^1330113403 is an apocalyptic number.

1330113403 is a deficient number, since it is larger than the sum of its proper divisors (149885).

1330113403 is an equidigital number, since it uses as much as digits as its factorization.

1330113403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149884.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1330113403 is about 36470.7198037001. The cubic root of 1330113403 is about 1099.7557041513.

Adding to 1330113403 its reverse (3043110331), we get a palindrome (4373223734).

The spelling of 1330113403 in words is "one billion, three hundred thirty million, one hundred thirteen thousand, four hundred three".