193100213 has 4 divisors (see below), whose sum is σ = 193236960. Its totient is φ = 192963468.

The previous prime is 193100179. The next prime is 193100261. The reversal of 193100213 is 312001391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 193100213 - 2¹⁸ = 192838069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193100273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66233 + ... + 69086.

It is an arithmetic number, because the mean of its divisors is an integer number (48309240).

Almost surely, 2^193100213 is an apocalyptic number.

It is an amenable number.

193100213 is a deficient number, since it is larger than the sum of its proper divisors (136747).

193100213 is a wasteful number, since it uses less digits than its factorization.

193100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136746.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 193100213 is about 13896.0502661728. The cubic root of 193100213 is about 577.9996617615. Note that the first 3 decimals are identical.

The spelling of 193100213 in words is "one hundred ninety-three million, one hundred thousand, two hundred thirteen".