3191213420231 has 4 divisors (see below), whose sum is σ = 3191928462432. Its totient is φ = 3190498378032.

The previous prime is 3191213420203. The next prime is 3191213420281. The reversal of 3191213420231 is 1320243121913.

3191213420231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3191213420231 - 2⁶ = 3191213420167 is a prime.

It is a super-2 number, since 2×3191213420231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3191213420281) 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, 357514406 + ... + 357523331.

It is an arithmetic number, because the mean of its divisors is an integer number (797982115608).

Almost surely, 2^{3191213420231} is an apocalyptic number.

3191213420231 is a deficient number, since it is larger than the sum of its proper divisors (715042201).

3191213420231 is an equidigital number, since it uses as much as digits as its factorization.

3191213420231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715042200.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 3191213420231 in words is "three trillion, one hundred ninety-one billion, two hundred thirteen million, four hundred twenty thousand, two hundred thirty-one".