20321100302311 has 2 divisors, whose sum is σ = 20321100302312. Its totient is φ = 20321100302310.

The previous prime is 20321100302263. The next prime is 20321100302317. The reversal of 20321100302311 is 11320300112302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20321100302311 - 2¹³ = 20321100294119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20321100302317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160550151155 + 10160550151156.

It is an arithmetic number, because the mean of its divisors is an integer number (10160550151156).

Almost surely, 2^{20321100302311} is an apocalyptic number.

20321100302311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20321100302311 is an equidigital number, since it uses as much as digits as its factorization.

20321100302311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20321100302311 its reverse (11320300112302), we get a palindrome (31641400414613).

The spelling of 20321100302311 in words is "twenty trillion, three hundred twenty-one billion, one hundred million, three hundred two thousand, three hundred eleven".