21314331233 has 8 divisors (see below), whose sum is σ = 24161995200. Its totient is φ = 18639253008.

The previous prime is 21314331131. The next prime is 21314331253. The reversal of 21314331233 is 33213341312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21314331233 - 2¹⁴ = 21314314849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21314331253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43146173 + ... + 43146666.

It is an arithmetic number, because the mean of its divisors is an integer number (3020249400).

Almost surely, 2^21314331233 is an apocalyptic number.

It is an amenable number.

21314331233 is a deficient number, since it is larger than the sum of its proper divisors (2847663967).

21314331233 is a wasteful number, since it uses less digits than its factorization.

21314331233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86292871.

The product of its digits is 3888, while the sum is 26.

Adding to 21314331233 its reverse (33213341312), we get a palindrome (54527672545).

The spelling of 21314331233 in words is "twenty-one billion, three hundred fourteen million, three hundred thirty-one thousand, two hundred thirty-three".