20230320311 has 2 divisors, whose sum is σ = 20230320312. Its totient is φ = 20230320310.

The previous prime is 20230320307. The next prime is 20230320329. The reversal of 20230320311 is 11302303202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20230320311 - 2² = 20230320307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20230320311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20230320371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115160155 + 10115160156.

It is an arithmetic number, because the mean of its divisors is an integer number (10115160156).

Almost surely, 2^20230320311 is an apocalyptic number.

20230320311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20230320311 is an equidigital number, since it uses as much as digits as its factorization.

20230320311 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 17.

Adding to 20230320311 its reverse (11302303202), we get a palindrome (31532623513).

The spelling of 20230320311 in words is "twenty billion, two hundred thirty million, three hundred twenty thousand, three hundred eleven".