213113421021304 has 32 divisors (see below), whose sum is σ = 404657691883200. Its totient is φ = 105204782891520.

The previous prime is 213113421021301. The next prime is 213113421021307. The reversal of 213113421021304 is 403120124311312.

It is an interprime number because it is at equal distance from previous prime (213113421021301) and next prime (213113421021307).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113421021301) 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, 16498764 + ... + 26427940.

It is an arithmetic number, because the mean of its divisors is an integer number (12645552871350).

Almost surely, 2^{213113421021304} is an apocalyptic number.

It is an amenable number.

213113421021304 is a deficient number, since it is larger than the sum of its proper divisors (191544270861896).

213113421021304 is a wasteful number, since it uses less digits than its factorization.

213113421021304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963223 (or 9963219 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 213113421021304 its reverse (403120124311312), we get a palindrome (616233545332616).

The spelling of 213113421021304 in words is "two hundred thirteen trillion, one hundred thirteen billion, four hundred twenty-one million, twenty-one thousand, three hundred four".