213422310193 has 4 divisors (see below), whose sum is σ = 213427125108. Its totient is φ = 213417495280.

The previous prime is 213422310191. The next prime is 213422310209. The reversal of 213422310193 is 391013224312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63414823329 + 150007486864 = 251823^2 + 387308^2 .

It is a cyclic number.

It is not a de Polignac number, because 213422310193 - 2¹ = 213422310191 is a prime.

It is a super-2 number, since 2×213422310193² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213422310191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340346 + ... + 2429827.

It is an arithmetic number, because the mean of its divisors is an integer number (53356781277).

Almost surely, 2^213422310193 is an apocalyptic number.

It is an amenable number.

213422310193 is a deficient number, since it is larger than the sum of its proper divisors (4814915).

213422310193 is an equidigital number, since it uses as much as digits as its factorization.

213422310193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814914.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 213422310193 in words is "two hundred thirteen billion, four hundred twenty-two million, three hundred ten thousand, one hundred ninety-three".