2173272311 has 4 divisors (see below), whose sum is σ = 2483739792. Its totient is φ = 1862804832.

The previous prime is 2173272289. The next prime is 2173272313. The reversal of 2173272311 is 1132723712.

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

It is a de Polignac number, because none of the positive numbers 2^k-2173272311 is a prime.

It is a super-2 number, since 2×2173272311² = 9446225075518561442, which 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 (2173272313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155233730 + ... + 155233743.

It is an arithmetic number, because the mean of its divisors is an integer number (620934948).

Almost surely, 2^2173272311 is an apocalyptic number.

2173272311 is a deficient number, since it is larger than the sum of its proper divisors (310467481).

2173272311 is an equidigital number, since it uses as much as digits as its factorization.

2173272311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310467480.

The product of its digits is 3528, while the sum is 29.

The square root of 2173272311 is about 46618.3688153071. The cubic root of 2173272311 is about 1295.3030324966.

The spelling of 2173272311 in words is "two billion, one hundred seventy-three million, two hundred seventy-two thousand, three hundred eleven".