21314264643331 has 8 divisors (see below), whose sum is σ = 23253615419184. Its totient is φ = 19375195593120.

The previous prime is 21314264643283. The next prime is 21314264643379. The reversal of 21314264643331 is 13334646241312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21314264643283) and next prime (21314264643379).

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 21314264643331 - 2²⁷ = 21314130425603 is a prime.

It is a super-2 number, since 2×21314264643331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21314264643631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70273200 + ... + 70575853.

It is an arithmetic number, because the mean of its divisors is an integer number (2906701927398).

Almost surely, 2^{21314264643331} is an apocalyptic number.

21314264643331 is a deficient number, since it is larger than the sum of its proper divisors (1939350775853).

21314264643331 is a wasteful number, since it uses less digits than its factorization.

21314264643331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140862821.

The product of its digits is 746496, while the sum is 43.

The spelling of 21314264643331 in words is "twenty-one trillion, three hundred fourteen billion, two hundred sixty-four million, six hundred forty-three thousand, three hundred thirty-one".