21456033131314 has 8 divisors (see below), whose sum is σ = 32184096612480. Its totient is φ = 10728000927156.

The previous prime is 21456033131287. The next prime is 21456033131317. The reversal of 21456033131314 is 41313133065412.

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

It is a super-2 number, since 2×21456033131314² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21456033131317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6021594 + ... + 8897845.

It is an arithmetic number, because the mean of its divisors is an integer number (4023012076560).

Almost surely, 2^{21456033131314} is an apocalyptic number.

21456033131314 is a deficient number, since it is larger than the sum of its proper divisors (10728063481166).

21456033131314 is a wasteful number, since it uses less digits than its factorization.

21456033131314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15638504.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 21456033131314 its reverse (41313133065412), we get a palindrome (62769166196726).

The spelling of 21456033131314 in words is "twenty-one trillion, four hundred fifty-six billion, thirty-three million, one hundred thirty-one thousand, three hundred fourteen".