3172334949991 has 2 divisors, whose sum is σ = 3172334949992. Its totient is φ = 3172334949990.

The previous prime is 3172334949989. The next prime is 3172334950061. The reversal of 3172334949991 is 1999494332713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3172334949991 - 2¹ = 3172334949989 is a prime.

Together with 3172334949989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3172334949391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1586167474995 + 1586167474996.

It is an arithmetic number, because the mean of its divisors is an integer number (1586167474996).

Almost surely, 2^{3172334949991} is an apocalyptic number.

3172334949991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3172334949991 is an equidigital number, since it uses as much as digits as its factorization.

3172334949991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39680928, while the sum is 64.

The spelling of 3172334949991 in words is "three trillion, one hundred seventy-two billion, three hundred thirty-four million, nine hundred forty-nine thousand, nine hundred ninety-one".