213513254321 has 8 divisors (see below), whose sum is σ = 214166534400. Its totient is φ = 212860212048.

The previous prime is 213513254293. The next prime is 213513254359. The reversal of 213513254321 is 123452315312.

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 213513254321 - 2¹⁴ = 213513237937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213513254821) 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, 1830470 + ... + 1943616.

It is an arithmetic number, because the mean of its divisors is an integer number (26770816800).

Almost surely, 2^213513254321 is an apocalyptic number.

It is an amenable number.

213513254321 is a deficient number, since it is larger than the sum of its proper divisors (653280079).

213513254321 is a wasteful number, since it uses less digits than its factorization.

213513254321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118903.

The product of its digits is 21600, while the sum is 32.

Adding to 213513254321 its reverse (123452315312), we get a palindrome (336965569633).

The spelling of 213513254321 in words is "two hundred thirteen billion, five hundred thirteen million, two hundred fifty-four thousand, three hundred twenty-one".