196311 has 4 divisors (see below), whose sum is σ = 261752. Its totient is φ = 130872.

The previous prime is 196307. The next prime is 196331. The reversal of 196311 is 113691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113691 = 3 ⋅37897.

It is not a de Polignac number, because 196311 - 2² = 196307 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196331) 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, 32716 + ... + 32721.

It is an arithmetic number, because the mean of its divisors is an integer number (65438).

2¹⁹⁶³¹¹ is an apocalyptic number.

196311 is a deficient number, since it is larger than the sum of its proper divisors (65441).

196311 is an equidigital number, since it uses as much as digits as its factorization.

196311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65440.

The product of its digits is 162, while the sum is 21.

The square root of 196311 is about 443.0699719006. The cubic root of 196311 is about 58.1185644395.

The spelling of 196311 in words is "one hundred ninety-six thousand, three hundred eleven".