16311230 has 16 divisors (see below), whose sum is σ = 31618944. Its totient is φ = 6022560.

The previous prime is 16311223. The next prime is 16311241. The reversal of 16311230 is 3211361.

It is a super-2 number, since 2×16311230² = 532112448225800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16311199 and 16311208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62606 + ... + 62865.

It is an arithmetic number, because the mean of its divisors is an integer number (1976184).

Almost surely, 2^16311230 is an apocalyptic number.

16311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16311230 is a deficient number, since it is larger than the sum of its proper divisors (15307714).

16311230 is a wasteful number, since it uses less digits than its factorization.

16311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125491.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 16311230 is about 4038.7163802377. The cubic root of 16311230 is about 253.6075842683.

Adding to 16311230 its reverse (3211361), we get a palindrome (19522591).

The spelling of 16311230 in words is "sixteen million, three hundred eleven thousand, two hundred thirty".