193242313 has 8 divisors (see below), whose sum is σ = 217610496. Its totient is φ = 170007600.

The previous prime is 193242289. The next prime is 193242323. The reversal of 193242313 is 313242391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 193242313 - 2⁹ = 193241801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193242323) 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, 283006 + ... + 283687.

It is an arithmetic number, because the mean of its divisors is an integer number (27201312).

Almost surely, 2^193242313 is an apocalyptic number.

It is an amenable number.

193242313 is a deficient number, since it is larger than the sum of its proper divisors (24368183).

193242313 is a wasteful number, since it uses less digits than its factorization.

193242313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566735.

The product of its digits is 3888, while the sum is 28.

The square root of 193242313 is about 13901.1622895354. The cubic root of 193242313 is about 578.1414078733.

The spelling of 193242313 in words is "one hundred ninety-three million, two hundred forty-two thousand, three hundred thirteen".