22203121313231 has 8 divisors (see below), whose sum is σ = 22214242318080. Its totient is φ = 22192002551448.

The previous prime is 22203121313171. The next prime is 22203121313299. The reversal of 22203121313231 is 13231312130222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22203121313231 - 2³⁴ = 22185941444047 is a prime.

It is a super-2 number, since 2×22203121313231² (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 22203121313231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22203121313531) 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, 19419200 + ... + 20530746.

It is an arithmetic number, because the mean of its divisors is an integer number (2776780289760).

Almost surely, 2^{22203121313231} is an apocalyptic number.

22203121313231 is a deficient number, since it is larger than the sum of its proper divisors (11121004849).

22203121313231 is a wasteful number, since it uses less digits than its factorization.

22203121313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121533.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 22203121313231 its reverse (13231312130222), we get a palindrome (35434433443453).

The spelling of 22203121313231 in words is "twenty-two trillion, two hundred three billion, one hundred twenty-one million, three hundred thirteen thousand, two hundred thirty-one".