1303120032013 has 4 divisors (see below), whose sum is σ = 1303745631808. Its totient is φ = 1302494432220.

The previous prime is 1303120031999. The next prime is 1303120032029. The reversal of 1303120032013 is 3102300213031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303120032013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303120032073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312796773 + ... + 312800938.

It is an arithmetic number, because the mean of its divisors is an integer number (325936407952).

Almost surely, 2^{1303120032013} is an apocalyptic number.

It is an amenable number.

1303120032013 is a deficient number, since it is larger than the sum of its proper divisors (625599795).

1303120032013 is an equidigital number, since it uses as much as digits as its factorization.

1303120032013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625599794.

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

Adding to 1303120032013 its reverse (3102300213031), we get a palindrome (4405420245044).

The spelling of 1303120032013 in words is "one trillion, three hundred three billion, one hundred twenty million, thirty-two thousand, thirteen".