13022323331 has 4 divisors (see below), whose sum is σ = 13025561112. Its totient is φ = 13019085552.

The previous prime is 13022323319. The next prime is 13022323367. The reversal of 13022323331 is 13332322031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13332322031 = 7 ⋅1904617433.

It is a cyclic number.

It is not a de Polignac number, because 13022323331 - 2³⁰ = 11948581507 is a prime.

It is a super-2 number, since 2×13022323331² (a number of 21 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 = 13022323297 and 13022323306.

It is not an unprimeable number, because it can be changed into a prime (13022323381) 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, 1612850 + ... + 1620903.

It is an arithmetic number, because the mean of its divisors is an integer number (3256390278).

Almost surely, 2^13022323331 is an apocalyptic number.

13022323331 is a deficient number, since it is larger than the sum of its proper divisors (3237781).

13022323331 is an equidigital number, since it uses as much as digits as its factorization.

13022323331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237780.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13022323331 its reverse (13332322031), we get a palindrome (26354645362).

The spelling of 13022323331 in words is "thirteen billion, twenty-two million, three hundred twenty-three thousand, three hundred thirty-one".