2231153123321 has 8 divisors (see below), whose sum is σ = 2259444211200. Its totient is φ = 2202863251680.

The previous prime is 2231153123279. The next prime is 2231153123357. The reversal of 2231153123321 is 1233213511322.

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 2231153123321 - 2²² = 2231148929017 is a prime.

It is a super-3 number, since 3×2231153123321³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231153123621) 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, 3724325 + ... + 4281693.

It is an arithmetic number, because the mean of its divisors is an integer number (282430526400).

Almost surely, 2^{2231153123321} is an apocalyptic number.

It is an amenable number.

2231153123321 is a deficient number, since it is larger than the sum of its proper divisors (28291087879).

2231153123321 is an equidigital number, since it uses as much as digits as its factorization.

2231153123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608119.

The product of its digits is 6480, while the sum is 29.

Adding to 2231153123321 its reverse (1233213511322), we get a palindrome (3464366634643).

The spelling of 2231153123321 in words is "two trillion, two hundred thirty-one billion, one hundred fifty-three million, one hundred twenty-three thousand, three hundred twenty-one".