213330550305 has 32 divisors (see below), whose sum is σ = 352391961600. Its totient is φ = 110089693440.

The previous prime is 213330550271. The next prime is 213330550333. The reversal of 213330550305 is 503055033312.

It is not a de Polignac number, because 213330550305 - 2⁷ = 213330550177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3479899 + ... + 3540671.

It is an arithmetic number, because the mean of its divisors is an integer number (11012248800).

Almost surely, 2^213330550305 is an apocalyptic number.

It is an amenable number.

213330550305 is a deficient number, since it is larger than the sum of its proper divisors (139061411295).

213330550305 is a wasteful number, since it uses less digits than its factorization.

213330550305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68361.

The product of its (nonzero) digits is 20250, while the sum is 30.

Adding to 213330550305 its reverse (503055033312), we get a palindrome (716385583617).

The spelling of 213330550305 in words is "two hundred thirteen billion, three hundred thirty million, five hundred fifty thousand, three hundred five".