21314133024313 has 8 divisors (see below), whose sum is σ = 21402812996840. Its totient is φ = 21225455032320.

The previous prime is 21314133024277. The next prime is 21314133024337. The reversal of 21314133024313 is 31342033141312.

It can be written as a sum of positive squares in 4 ways, for example, as 17856270046224 + 3457862978089 = 4225668^2 + 1859533^2 .

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

It is not a de Polignac number, because 21314133024313 - 2²¹ = 21314130927161 is a prime.

It is a super-2 number, since 2×21314133024313² (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 (21314133024413) 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, 23483281 + ... + 24374017.

It is an arithmetic number, because the mean of its divisors is an integer number (2675351624605).

Almost surely, 2^{21314133024313} is an apocalyptic number.

It is an amenable number.

21314133024313 is a deficient number, since it is larger than the sum of its proper divisors (88679972527).

21314133024313 is an equidigital number, since it uses as much as digits as its factorization.

21314133024313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990267.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 21314133024313 its reverse (31342033141312), we get a palindrome (52656166165625).

The spelling of 21314133024313 in words is "twenty-one trillion, three hundred fourteen billion, one hundred thirty-three million, twenty-four thousand, three hundred thirteen".