320743936211 has 2 divisors, whose sum is σ = 320743936212. Its totient is φ = 320743936210.

The previous prime is 320743936207. The next prime is 320743936229. The reversal of 320743936211 is 112639347023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320743936211 - 2² = 320743936207 is a prime.

It is a super-2 number, since 2×320743936211² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320743936111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160371968105 + 160371968106.

It is an arithmetic number, because the mean of its divisors is an integer number (160371968106).

Almost surely, 2^320743936211 is an apocalyptic number.

320743936211 is a deficient number, since it is larger than the sum of its proper divisors (1).

320743936211 is an equidigital number, since it uses as much as digits as its factorization.

320743936211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 320743936211 in words is "three hundred twenty billion, seven hundred forty-three million, nine hundred thirty-six thousand, two hundred eleven".