213402410321 has 8 divisors (see below), whose sum is σ = 217964980800. Its totient is φ = 208883087280.

The previous prime is 213402410213. The next prime is 213402410327. The reversal of 213402410321 is 123014204312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213402410321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213402410327) 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, 10801886 + ... + 10821623.

It is an arithmetic number, because the mean of its divisors is an integer number (27245622600).

Almost surely, 2^213402410321 is an apocalyptic number.

It is an amenable number.

213402410321 is a deficient number, since it is larger than the sum of its proper divisors (4562570479).

213402410321 is a wasteful number, since it uses less digits than its factorization.

213402410321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21623719.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 213402410321 its reverse (123014204312), we get a palindrome (336416614633).

The spelling of 213402410321 in words is "two hundred thirteen billion, four hundred two million, four hundred ten thousand, three hundred twenty-one".