320103031311 has 12 divisors (see below), whose sum is σ = 528424051792. Its totient is φ = 182916017856.

The previous prime is 320103031279. The next prime is 320103031319. The reversal of 320103031311 is 113130301023.

It is a happy number.

320103031311 is a `hidden beast` number, since 320 + 1 + 0 + 3 + 0 + 31 + 311 = 666.

It is not a de Polignac number, because 320103031311 - 2⁵ = 320103031279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320103031319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2540500186 + ... + 2540500311.

Almost surely, 2^320103031311 is an apocalyptic number.

320103031311 is a deficient number, since it is larger than the sum of its proper divisors (208321020481).

320103031311 is a wasteful number, since it uses less digits than its factorization.

320103031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081000510 (or 5081000507 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 320103031311 its reverse (113130301023), we get a palindrome (433233332334).

The spelling of 320103031311 in words is "three hundred twenty billion, one hundred three million, thirty-one thousand, three hundred eleven".