13350503321 has 4 divisors (see below), whose sum is σ = 13435538532. Its totient is φ = 13265468112.

The previous prime is 13350503269. The next prime is 13350503333. The reversal of 13350503321 is 12330505331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5425942921 + 7924560400 = 73661^2 + 89020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13350503321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13350503381) 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, 42517370 + ... + 42517683.

It is an arithmetic number, because the mean of its divisors is an integer number (3358884633).

Almost surely, 2^13350503321 is an apocalyptic number.

It is an amenable number.

13350503321 is a deficient number, since it is larger than the sum of its proper divisors (85035211).

13350503321 is an equidigital number, since it uses as much as digits as its factorization.

13350503321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85035210.

The product of its (nonzero) digits is 4050, while the sum is 26.

The spelling of 13350503321 in words is "thirteen billion, three hundred fifty million, five hundred three thousand, three hundred twenty-one".