20130304143403 has 4 divisors (see below), whose sum is σ = 20137296263040. Its totient is φ = 20123312023768.

The previous prime is 20130304143337. The next prime is 20130304143427. The reversal of 20130304143403 is 30434140303102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20130304143403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130304143473) 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, 3496055500 + ... + 3496061257.

It is an arithmetic number, because the mean of its divisors is an integer number (5034324065760).

Almost surely, 2^{20130304143403} is an apocalyptic number.

20130304143403 is a deficient number, since it is larger than the sum of its proper divisors (6992119637).

20130304143403 is an equidigital number, since it uses as much as digits as its factorization.

20130304143403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992119636.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20130304143403 its reverse (30434140303102), we get a palindrome (50564444446505).

The spelling of 20130304143403 in words is "twenty trillion, one hundred thirty billion, three hundred four million, one hundred forty-three thousand, four hundred three".