213124310430205 has 32 divisors (see below), whose sum is σ = 261202765824000. Its totient is φ = 166903013659200.

The previous prime is 213124310430193. The next prime is 213124310430257. The reversal of 213124310430205 is 502034013421312.

It is not a de Polignac number, because 213124310430205 - 2¹⁷ = 213124310299133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54566196 + ... + 58341394.

It is an arithmetic number, because the mean of its divisors is an integer number (8162586432000).

Almost surely, 2^{213124310430205} is an apocalyptic number.

It is an amenable number.

213124310430205 is a deficient number, since it is larger than the sum of its proper divisors (48078455393795).

213124310430205 is a wasteful number, since it uses less digits than its factorization.

213124310430205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776505.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 213124310430205 its reverse (502034013421312), we get a palindrome (715158323851517).

The spelling of 213124310430205 in words is "two hundred thirteen trillion, one hundred twenty-four billion, three hundred ten million, four hundred thirty thousand, two hundred five".