13220233202231 has 4 divisors (see below), whose sum is σ = 14422072584264. Its totient is φ = 12018393820200.

The previous prime is 13220233202219. The next prime is 13220233202233.

13220233202231 is nontrivially palindromic in base 10.

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 13220233202231 - 2⁶ = 13220233202167 is a prime.

It is a super-2 number, since 2×13220233202231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13220233202231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220233202233) 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, 600919691000 + ... + 600919691021.

It is an arithmetic number, because the mean of its divisors is an integer number (3605518146066).

Almost surely, 2^{13220233202231} is an apocalyptic number.

13220233202231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13220233202231 is a deficient number, since it is larger than the sum of its proper divisors (1201839382033).

13220233202231 is a wasteful number, since it uses less digits than its factorization.

13220233202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201839382032.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 1322023 and 3202231, that added together give a palindrome (4524254).

The spelling of 13220233202231 in words is "thirteen trillion, two hundred twenty billion, two hundred thirty-three million, two hundred two thousand, two hundred thirty-one".