213356304263 has 8 divisors (see below), whose sum is σ = 225918074880. Its totient is φ = 200795800320.

The previous prime is 213356304253. The next prime is 213356304281. The reversal of 213356304263 is 362403653312.

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 213356304263 - 2¹⁰ = 213356303239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213356304233) 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, 41723 + ... + 654563.

It is an arithmetic number, because the mean of its divisors is an integer number (28239759360).

Almost surely, 2^213356304263 is an apocalyptic number.

213356304263 is a deficient number, since it is larger than the sum of its proper divisors (12561770617).

213356304263 is a wasteful number, since it uses less digits than its factorization.

213356304263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633337.

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 213356304263 its reverse (362403653312), we get a palindrome (575759957575).

The spelling of 213356304263 in words is "two hundred thirteen billion, three hundred fifty-six million, three hundred four thousand, two hundred sixty-three".