323312131300231 has 2 divisors, whose sum is σ = 323312131300232. Its totient is φ = 323312131300230.

The previous prime is 323312131300201. The next prime is 323312131300273. The reversal of 323312131300231 is 132003131213323.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323312131300231 is a prime.

It is a super-2 number, since 2×323312131300231² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323312131300231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323312131300201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161656065650115 + 161656065650116.

It is an arithmetic number, because the mean of its divisors is an integer number (161656065650116).

Almost surely, 2^{323312131300231} is an apocalyptic number.

323312131300231 is a deficient number, since it is larger than the sum of its proper divisors (1).

323312131300231 is an equidigital number, since it uses as much as digits as its factorization.

323312131300231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 323312131300231 its reverse (132003131213323), we get a palindrome (455315262513554).

The spelling of 323312131300231 in words is "three hundred twenty-three trillion, three hundred twelve billion, one hundred thirty-one million, three hundred thousand, two hundred thirty-one".