13022223233231 has 8 divisors (see below), whose sum is σ = 13443518774784. Its totient is φ = 12601004180760.

The previous prime is 13022223233219. The next prime is 13022223233233. The reversal of 13022223233231 is 13233232222031.

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-13022223233231 is a prime.

It is a super-2 number, since 2×13022223233231² (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 = 13022223233194 and 13022223233203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022223233233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18776165 + ... + 19457358.

It is an arithmetic number, because the mean of its divisors is an integer number (1680439846848).

Almost surely, 2^{13022223233231} is an apocalyptic number.

13022223233231 is a deficient number, since it is larger than the sum of its proper divisors (421295541553).

13022223233231 is a wasteful number, since it uses less digits than its factorization.

13022223233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38244541.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 13022223233231 its reverse (13233232222031), we get a palindrome (26255455455262).

The spelling of 13022223233231 in words is "thirteen trillion, twenty-two billion, two hundred twenty-three million, two hundred thirty-three thousand, two hundred thirty-one".