814274231 has 2 divisors, whose sum is σ = 814274232. Its totient is φ = 814274230.

The previous prime is 814274191. The next prime is 814274243. The reversal of 814274231 is 132472418.

814274231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-814274231 is a prime.

It is a super-2 number, since 2×814274231² = 1326085046541282722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (814274291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407137115 + 407137116.

It is an arithmetic number, because the mean of its divisors is an integer number (407137116).

Almost surely, 2^814274231 is an apocalyptic number.

814274231 is a deficient number, since it is larger than the sum of its proper divisors (1).

814274231 is an equidigital number, since it uses as much as digits as its factorization.

814274231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 32.

The square root of 814274231 is about 28535.4907264620. The cubic root of 814274231 is about 933.8065094619.

It can be divided in two parts, 81427 and 4231, that added together give a palindrome (85658).

The spelling of 814274231 in words is "eight hundred fourteen million, two hundred seventy-four thousand, two hundred thirty-one".