13031103003321 has 16 divisors (see below), whose sum is σ = 18744562460736. Its totient is φ = 8004896707776.

The previous prime is 13031103003319. The next prime is 13031103003353. The reversal of 13031103003321 is 12330030113031.

It is not a de Polignac number, because 13031103003321 - 2¹ = 13031103003319 is a prime.

It is a super-2 number, since 2×13031103003321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13031103003221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296719470 + ... + 296763383.

It is an arithmetic number, because the mean of its divisors is an integer number (1171535153796).

Almost surely, 2^{13031103003321} is an apocalyptic number.

It is an amenable number.

13031103003321 is a deficient number, since it is larger than the sum of its proper divisors (5713459457415).

13031103003321 is a wasteful number, since it uses less digits than its factorization.

13031103003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593483432.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13031103003321 its reverse (12330030113031), we get a palindrome (25361133116352).

The spelling of 13031103003321 in words is "thirteen trillion, thirty-one billion, one hundred three million, three thousand, three hundred twenty-one".