193215351113 has 4 divisors (see below), whose sum is σ = 204580960020. Its totient is φ = 181849742208.

The previous prime is 193215351103. The next prime is 193215351163. The reversal of 193215351113 is 311153512391.

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 60509604169 + 132705746944 = 245987^2 + 364288^2 .

It is a cyclic number.

It is not a de Polignac number, because 193215351113 - 2¹⁴ = 193215334729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193215351103) 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, 5682804428 + ... + 5682804461.

It is an arithmetic number, because the mean of its divisors is an integer number (51145240005).

Almost surely, 2^193215351113 is an apocalyptic number.

It is an amenable number.

193215351113 is a deficient number, since it is larger than the sum of its proper divisors (11365608907).

193215351113 is a wasteful number, since it uses less digits than its factorization.

193215351113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11365608906.

The product of its digits is 12150, while the sum is 35.

The spelling of 193215351113 in words is "one hundred ninety-three billion, two hundred fifteen million, three hundred fifty-one thousand, one hundred thirteen".