213313421342321 has 8 divisors (see below), whose sum is σ = 214366013030400. Its totient is φ = 212262213735360.

The previous prime is 213313421342269. The next prime is 213313421342363. The reversal of 213313421342321 is 123243124313312.

It is a happy number.

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 213313421342321 - 2¹⁴ = 213313421325937 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 (213313421342221) 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, 345711281 + ... + 346327758.

It is an arithmetic number, because the mean of its divisors is an integer number (26795751628800).

Almost surely, 2^{213313421342321} is an apocalyptic number.

It is an amenable number.

213313421342321 is a deficient number, since it is larger than the sum of its proper divisors (1052591688079).

213313421342321 is a wasteful number, since it uses less digits than its factorization.

213313421342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692040559.

The product of its digits is 62208, while the sum is 35.

Adding to 213313421342321 its reverse (123243124313312), we get a palindrome (336556545655633).

The spelling of 213313421342321 in words is "two hundred thirteen trillion, three hundred thirteen billion, four hundred twenty-one million, three hundred forty-two thousand, three hundred twenty-one".