273131216 has 20 divisors (see below), whose sum is σ = 532701024. Its totient is φ = 135660000.

The previous prime is 273131161. The next prime is 273131263. The reversal of 273131216 is 612131372.

It is a super-2 number, since 2×273131216² = 149201322307277312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54110 + ... + 58941.

Almost surely, 2^273131216 is an apocalyptic number.

It is an amenable number.

273131216 is a deficient number, since it is larger than the sum of its proper divisors (259569808).

273131216 is a wasteful number, since it uses less digits than its factorization.

273131216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113210 (or 113204 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 273131216 is about 16526.6819416361. The cubic root of 273131216 is about 648.8193288967.

Adding to 273131216 its reverse (612131372), we get a palindrome (885262588).

The spelling of 273131216 in words is "two hundred seventy-three million, one hundred thirty-one thousand, two hundred sixteen".