194313 has 16 divisors (see below), whose sum is σ = 312320. Its totient is φ = 104976.

The previous prime is 194309. The next prime is 194323. The reversal of 194313 is 313491.

194313 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 194313 - 2² = 194309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194313.

It is not an unprimeable number, because it can be changed into a prime (194323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156 + ... + 642.

It is an arithmetic number, because the mean of its divisors is an integer number (19520).

2¹⁹⁴³¹³ is an apocalyptic number.

It is an amenable number.

194313 is a deficient number, since it is larger than the sum of its proper divisors (118007).

194313 is a wasteful number, since it uses less digits than its factorization.

194313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516.

The product of its digits is 324, while the sum is 21.

The square root of 194313 is about 440.8094826566. The cubic root of 194313 is about 57.9207200609.

The spelling of 194313 in words is "one hundred ninety-four thousand, three hundred thirteen".