16112231 has 2 divisors, whose sum is σ = 16112232. Its totient is φ = 16112230.

The previous prime is 16112207. The next prime is 16112249. The reversal of 16112231 is 13221161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16112231 - 2¹⁴ = 16095847 is a prime.

It is a super-2 number, since 2×16112231² = 519207975594722, 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 (16112431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8056115 + 8056116.

It is an arithmetic number, because the mean of its divisors is an integer number (8056116).

Almost surely, 2^16112231 is an apocalyptic number.

16112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

16112231 is an equidigital number, since it uses as much as digits as its factorization.

16112231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 17.

The square root of 16112231 is about 4014.0043597385. The cubic root of 16112231 is about 252.5720135739.

Adding to 16112231 its reverse (13221161), we get a palindrome (29333392).

The spelling of 16112231 in words is "sixteen million, one hundred twelve thousand, two hundred thirty-one".