13321503331 has 16 divisors (see below), whose sum is σ = 14920041024. Its totient is φ = 11828450304.

The previous prime is 13321503313. The next prime is 13321503353. The reversal of 13321503331 is 13330512331.

It is not a de Polignac number, because 13321503331 - 2⁹ = 13321502819 is a prime.

It is a super-2 number, since 2×13321503331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13321503296 and 13321503305.

It is not an unprimeable number, because it can be changed into a prime (13321503131) 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, 204816 + ... + 261901.

It is an arithmetic number, because the mean of its divisors is an integer number (932502564).

Almost surely, 2^13321503331 is an apocalyptic number.

13321503331 is a deficient number, since it is larger than the sum of its proper divisors (1598537693).

13321503331 is a wasteful number, since it uses less digits than its factorization.

13321503331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466830.

The product of its (nonzero) digits is 2430, while the sum is 25.

The spelling of 13321503331 in words is "thirteen billion, three hundred twenty-one million, five hundred three thousand, three hundred thirty-one".