16311234 has 32 divisors (see below), whose sum is σ = 34560000. Its totient is φ = 5117904.

The previous prime is 16311223. The next prime is 16311241. The reversal of 16311234 is 43211361.

It is a self number, because there is not a number n which added to its sum of digits gives 16311234.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 22327 + ... + 23045.

It is an arithmetic number, because the mean of its divisors is an integer number (1080000).

Almost surely, 2^16311234 is an apocalyptic number.

16311234 is an abundant number, since it is smaller than the sum of its proper divisors (18248766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16311234 is a wasteful number, since it uses less digits than its factorization.

16311234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its digits is 432, while the sum is 21.

The square root of 16311234 is about 4038.7168754445. The cubic root of 16311234 is about 253.6076049990.

Adding to 16311234 its reverse (43211361), we get a palindrome (59522595).

The spelling of 16311234 in words is "sixteen million, three hundred eleven thousand, two hundred thirty-four".