323212133333231 has 4 divisors (see below), whose sum is σ = 323287491727200. Its totient is φ = 323136774939264.

The previous prime is 323212133333213. The next prime is 323212133333269. The reversal of 323212133333231 is 132333331212323.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323212133333231 is a prime.

It is a super-2 number, since 2×323212133333231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323212133333191 and 323212133333200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212133333431) 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, 37679190551 + ... + 37679199128.

It is an arithmetic number, because the mean of its divisors is an integer number (80821872931800).

Almost surely, 2^{323212133333231} is an apocalyptic number.

323212133333231 is a deficient number, since it is larger than the sum of its proper divisors (75358393969).

323212133333231 is an equidigital number, since it uses as much as digits as its factorization.

323212133333231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75358393968.

The product of its digits is 104976, while the sum is 35.

Adding to 323212133333231 its reverse (132333331212323), we get a palindrome (455545464545554).

The spelling of 323212133333231 in words is "three hundred twenty-three trillion, two hundred twelve billion, one hundred thirty-three million, three hundred thirty-three thousand, two hundred thirty-one".