213013128584 has 32 divisors (see below), whose sum is σ = 422780688000. Its totient is φ = 100442432832.

The previous prime is 213013128521. The next prime is 213013128593. The reversal of 213013128584 is 485821310312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10666304 + ... + 10686255.

It is an arithmetic number, because the mean of its divisors is an integer number (13211896500).

Almost surely, 2^213013128584 is an apocalyptic number.

It is an amenable number.

213013128584 is a deficient number, since it is larger than the sum of its proper divisors (209767559416).

213013128584 is a wasteful number, since it uses less digits than its factorization.

213013128584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352637 (or 21352633 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

Adding to 213013128584 its reverse (485821310312), we get a palindrome (698834438896).

The spelling of 213013128584 in words is "two hundred thirteen billion, thirteen million, one hundred twenty-eight thousand, five hundred eighty-four".