320231211011 has 2 divisors, whose sum is σ = 320231211012. Its totient is φ = 320231211010.

The previous prime is 320231210993. The next prime is 320231211017. The reversal of 320231211011 is 110112132023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320231211011 - 2³⁸ = 45353304067 is a prime.

It is not a weakly prime, because it can be changed into another prime (320231211017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160115605505 + 160115605506.

It is an arithmetic number, because the mean of its divisors is an integer number (160115605506).

Almost surely, 2^320231211011 is an apocalyptic number.

320231211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

320231211011 is an equidigital number, since it uses as much as digits as its factorization.

320231211011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 320231211011 its reverse (110112132023), we get a palindrome (430343343034).

The spelling of 320231211011 in words is "three hundred twenty billion, two hundred thirty-one million, two hundred eleven thousand, eleven".