16270231 has 2 divisors, whose sum is σ = 16270232. Its totient is φ = 16270230.

The previous prime is 16270229. The next prime is 16270237. The reversal of 16270231 is 13207261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16270231 - 2¹ = 16270229 is a prime.

It is a super-2 number, since 2×16270231² = 529440833586722, which contains 22 as substring.

Together with 16270229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16270237) 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 as a sum of consecutive naturals, namely, 8135115 + 8135116.

It is an arithmetic number, because the mean of its divisors is an integer number (8135116).

Almost surely, 2^16270231 is an apocalyptic number.

16270231 is a deficient number, since it is larger than the sum of its proper divisors (1).

16270231 is an equidigital number, since it uses as much as digits as its factorization.

16270231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 16270231 is about 4033.6374403260. The cubic root of 16270231 is about 253.3949213526.

Adding to 16270231 its reverse (13207261), we get a palindrome (29477492).

The spelling of 16270231 in words is "sixteen million, two hundred seventy thousand, two hundred thirty-one".