213130330985 has 16 divisors (see below), whose sum is σ = 300469055040. Its totient is φ = 143080501440.

The previous prime is 213130330961. The next prime is 213130330991. The reversal of 213130330985 is 589033031312.

It is not a de Polignac number, because 213130330985 - 2¹⁶ = 213130265449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149041475 + ... + 149042904.

It is an arithmetic number, because the mean of its divisors is an integer number (18779315940).

Almost surely, 2^213130330985 is an apocalyptic number.

It is an amenable number.

213130330985 is a deficient number, since it is larger than the sum of its proper divisors (87338724055).

213130330985 is a wasteful number, since it uses less digits than its factorization.

213130330985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298084408.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 213130330985 in words is "two hundred thirteen billion, one hundred thirty million, three hundred thirty thousand, nine hundred eighty-five".