22321310231231 has 4 divisors (see below), whose sum is σ = 24350520252264. Its totient is φ = 20292100210200.

The previous prime is 22321310231219. The next prime is 22321310231261. The reversal of 22321310231231 is 13213201312322.

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 22321310231231 - 2³⁰ = 22320236489407 is a prime.

It is a super-3 number, since 3×22321310231231³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 22321310231231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321310231261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014605010500 + ... + 1014605010521.

It is an arithmetic number, because the mean of its divisors is an integer number (6087630063066).

Almost surely, 2^{22321310231231} is an apocalyptic number.

22321310231231 is a deficient number, since it is larger than the sum of its proper divisors (2029210021033).

22321310231231 is a wasteful number, since it uses less digits than its factorization.

22321310231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029210021032.

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

Adding to 22321310231231 its reverse (13213201312322), we get a palindrome (35534511543553).

The spelling of 22321310231231 in words is "twenty-two trillion, three hundred twenty-one billion, three hundred ten million, two hundred thirty-one thousand, two hundred thirty-one".