3172320801 has 32 divisors (see below), whose sum is σ = 5091296000. Its totient is φ = 1952160912.

The previous prime is 3172320787. The next prime is 3172320841. The reversal of 3172320801 is 1080232713.

It is not a de Polignac number, because 3172320801 - 2⁹ = 3172320289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3172320841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32580 + ... + 86058.

It is an arithmetic number, because the mean of its divisors is an integer number (159103000).

Almost surely, 2^3172320801 is an apocalyptic number.

It is an amenable number.

3172320801 is a deficient number, since it is larger than the sum of its proper divisors (1918975199).

3172320801 is an equidigital number, since it uses as much as digits as its factorization.

3172320801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53527 (or 53495 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3172320801 is about 56323.3592836933. The cubic root of 3172320801 is about 1469.3514965396.

The spelling of 3172320801 in words is "three billion, one hundred seventy-two million, three hundred twenty thousand, eight hundred one".