323212021112231 has 16 divisors (see below), whose sum is σ = 345109458650880. Its totient is φ = 301968369299520.

The previous prime is 323212021112209. The next prime is 323212021112297. The reversal of 323212021112231 is 132211120212323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323212021112231 is a prime.

It is a super-2 number, since 2×323212021112231² (a number of 30 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 323212021112231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212021115231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335075216 + ... + 336038426.

It is an arithmetic number, because the mean of its divisors is an integer number (21569341165680).

Almost surely, 2^{323212021112231} is an apocalyptic number.

323212021112231 is a deficient number, since it is larger than the sum of its proper divisors (21897437538649).

323212021112231 is a wasteful number, since it uses less digits than its factorization.

323212021112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302566.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 323212021112231 its reverse (132211120212323), we get a palindrome (455423141324554).

It can be divided in two parts, 32321202 and 1112231, that added together give a palindrome (33433433).

The spelling of 323212021112231 in words is "three hundred twenty-three trillion, two hundred twelve billion, twenty-one million, one hundred twelve thousand, two hundred thirty-one".