13013222331 has 8 divisors (see below), whose sum is σ = 17423562240. Its totient is φ = 8639181992.

The previous prime is 13013222269. The next prime is 13013222351. The reversal of 13013222331 is 13322231031.

13013222331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-13013222331 is a prime.

It is a super-2 number, since 2×13013222331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13013222298 and 13013222307.

It is not an unprimeable number, because it can be changed into a prime (13013222351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9074055 + ... + 9075488.

It is an arithmetic number, because the mean of its divisors is an integer number (2177945280).

Almost surely, 2^13013222331 is an apocalyptic number.

13013222331 is a deficient number, since it is larger than the sum of its proper divisors (4410339909).

13013222331 is a wasteful number, since it uses less digits than its factorization.

13013222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18149785.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13013222331 its reverse (13322231031), we get a palindrome (26335453362).

The spelling of 13013222331 in words is "thirteen billion, thirteen million, two hundred twenty-two thousand, three hundred thirty-one".