13010321003 has 4 divisors (see below), whose sum is σ = 13695074760. Its totient is φ = 12325567248.

The previous prime is 13010320997. The next prime is 13010321021. The reversal of 13010321003 is 30012301031.

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 13010321003 - 2²⁰ = 13009272427 is a prime.

It is a super-2 number, since 2×13010321003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13010321033) 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, 342376850 + ... + 342376887.

It is an arithmetic number, because the mean of its divisors is an integer number (3423768690).

Almost surely, 2^13010321003 is an apocalyptic number.

13010321003 is a deficient number, since it is larger than the sum of its proper divisors (684753757).

13010321003 is an equidigital number, since it uses as much as digits as its factorization.

13010321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684753756.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 13010321003 its reverse (30012301031), we get a palindrome (43022622034).

The spelling of 13010321003 in words is "thirteen billion, ten million, three hundred twenty-one thousand, three".