272831239 has 2 divisors, whose sum is σ = 272831240. Its totient is φ = 272831238.

The previous prime is 272831201. The next prime is 272831243. The reversal of 272831239 is 932138272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 272831239 - 2¹¹ = 272829191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272831198 and 272831207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272831269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136415619 + 136415620.

It is an arithmetic number, because the mean of its divisors is an integer number (136415620).

Almost surely, 2^272831239 is an apocalyptic number.

272831239 is a deficient number, since it is larger than the sum of its proper divisors (1).

272831239 is an equidigital number, since it uses as much as digits as its factorization.

272831239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 272831239 is about 16517.6039121902. The cubic root of 272831239 is about 648.5817115153.

The spelling of 272831239 in words is "two hundred seventy-two million, eight hundred thirty-one thousand, two hundred thirty-nine".