320040233111 has 2 divisors, whose sum is σ = 320040233112. Its totient is φ = 320040233110.

The previous prime is 320040233059. The next prime is 320040233113. The reversal of 320040233111 is 111332040023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320040233111 - 2³⁰ = 318966491287 is a prime.

Together with 320040233113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320040233113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160020116555 + 160020116556.

It is an arithmetic number, because the mean of its divisors is an integer number (160020116556).

Almost surely, 2^320040233111 is an apocalyptic number.

320040233111 is a deficient number, since it is larger than the sum of its proper divisors (1).

320040233111 is an equidigital number, since it uses as much as digits as its factorization.

320040233111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 320040233111 its reverse (111332040023), we get a palindrome (431372273134).

The spelling of 320040233111 in words is "three hundred twenty billion, forty million, two hundred thirty-three thousand, one hundred eleven".