3231320230191 has 4 divisors (see below), whose sum is σ = 4308426973592. Its totient is φ = 2154213486792.

The previous prime is 3231320230189. The next prime is 3231320230213. The reversal of 3231320230191 is 1910320231323.

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

It is not a de Polignac number, because 3231320230191 - 2¹ = 3231320230189 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 (3231320230111) 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, 538553371696 + ... + 538553371701.

It is an arithmetic number, because the mean of its divisors is an integer number (1077106743398).

Almost surely, 2^{3231320230191} is an apocalyptic number.

3231320230191 is a deficient number, since it is larger than the sum of its proper divisors (1077106743401).

3231320230191 is a wasteful number, since it uses less digits than its factorization.

3231320230191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077106743400.

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

The spelling of 3231320230191 in words is "three trillion, two hundred thirty-one billion, three hundred twenty million, two hundred thirty thousand, one hundred ninety-one".