323213013132991 has 2 divisors, whose sum is σ = 323213013132992. Its totient is φ = 323213013132990.

The previous prime is 323213013132983. The next prime is 323213013133019. The reversal of 323213013132991 is 199231310312323.

It is a weak prime.

It is an emirp because it is prime and its reverse (199231310312323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323213013132991 - 2³ = 323213013132983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323213013132091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606506566495 + 161606506566496.

It is an arithmetic number, because the mean of its divisors is an integer number (161606506566496).

Almost surely, 2^{323213013132991} is an apocalyptic number.

323213013132991 is a deficient number, since it is larger than the sum of its proper divisors (1).

323213013132991 is an equidigital number, since it uses as much as digits as its factorization.

323213013132991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 43.

The spelling of 323213013132991 in words is "three hundred twenty-three trillion, two hundred thirteen billion, thirteen million, one hundred thirty-two thousand, nine hundred ninety-one".