13120321303 has 8 divisors (see below), whose sum is σ = 13207332320. Its totient is φ = 13033470240.

The previous prime is 13120321289. The next prime is 13120321327. The reversal of 13120321303 is 30312302131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13120321303 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 (13120321393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126901 + ... + 205777.

It is an arithmetic number, because the mean of its divisors is an integer number (1650916540).

Almost surely, 2^13120321303 is an apocalyptic number.

13120321303 is a deficient number, since it is larger than the sum of its proper divisors (87011017).

13120321303 is an equidigital number, since it uses as much as digits as its factorization.

13120321303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79977.

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

Adding to 13120321303 its reverse (30312302131), we get a palindrome (43432623434).

The spelling of 13120321303 in words is "thirteen billion, one hundred twenty million, three hundred twenty-one thousand, three hundred three".