323020031311 has 2 divisors, whose sum is σ = 323020031312. Its totient is φ = 323020031310.

The previous prime is 323020031297. The next prime is 323020031333. The reversal of 323020031311 is 113130020323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 323020031311 - 2¹⁹ = 323019507023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323020038311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161510015655 + 161510015656.

It is an arithmetic number, because the mean of its divisors is an integer number (161510015656).

Almost surely, 2^323020031311 is an apocalyptic number.

323020031311 is a deficient number, since it is larger than the sum of its proper divisors (1).

323020031311 is an equidigital number, since it uses as much as digits as its factorization.

323020031311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 323020031311 its reverse (113130020323), we get a palindrome (436150051634).

The spelling of 323020031311 in words is "three hundred twenty-three billion, twenty million, thirty-one thousand, three hundred eleven".