320313132291 has 4 divisors (see below), whose sum is σ = 427084176392. Its totient is φ = 213542088192.

The previous prime is 320313132289. The next prime is 320313132299. The reversal of 320313132291 is 192231313023.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 320313132291 - 2¹ = 320313132289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320313132299) 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, 53385522046 + ... + 53385522051.

It is an arithmetic number, because the mean of its divisors is an integer number (106771044098).

Almost surely, 2^320313132291 is an apocalyptic number.

320313132291 is a deficient number, since it is larger than the sum of its proper divisors (106771044101).

320313132291 is a wasteful number, since it uses less digits than its factorization.

320313132291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106771044100.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 320313132291 in words is "three hundred twenty billion, three hundred thirteen million, one hundred thirty-two thousand, two hundred ninety-one".