13022331111331 has 4 divisors (see below), whose sum is σ = 13022342793664. Its totient is φ = 13022319429000.

The previous prime is 13022331111319. The next prime is 13022331111353. The reversal of 13022331111331 is 13311113322031.

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 13022331111331 - 2⁷ = 13022331111203 is a prime.

It is a super-2 number, since 2×13022331111331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13022331111296 and 13022331111305.

It is not an unprimeable number, because it can be changed into a prime (13022331111311) 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, 3969120 + ... + 6465181.

It is an arithmetic number, because the mean of its divisors is an integer number (3255585698416).

Almost surely, 2^{13022331111331} is an apocalyptic number.

13022331111331 is a deficient number, since it is larger than the sum of its proper divisors (11682333).

13022331111331 is a wasteful number, since it uses less digits than its factorization.

13022331111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11682332.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13022331111331 its reverse (13311113322031), we get a palindrome (26333444433362).

The spelling of 13022331111331 in words is "thirteen trillion, twenty-two billion, three hundred thirty-one million, one hundred eleven thousand, three hundred thirty-one".