320137307111 has 4 divisors (see below), whose sum is σ = 320138479752. Its totient is φ = 320136134472.

The previous prime is 320137307101. The next prime is 320137307141. The reversal of 320137307111 is 111703731023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 111703731023 = 727 ⋅153650249.

It is a cyclic number.

It is not a de Polignac number, because 320137307111 - 2²² = 320133112807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320137307101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62561 + ... + 802613.

It is an arithmetic number, because the mean of its divisors is an integer number (80034619938).

Almost surely, 2^320137307111 is an apocalyptic number.

320137307111 is a deficient number, since it is larger than the sum of its proper divisors (1172641).

320137307111 is an equidigital number, since it uses as much as digits as its factorization.

320137307111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172640.

The product of its (nonzero) digits is 2646, while the sum is 29.

The spelling of 320137307111 in words is "three hundred twenty billion, one hundred thirty-seven million, three hundred seven thousand, one hundred eleven".