196216311 has 4 divisors (see below), whose sum is σ = 261621752. Its totient is φ = 130810872.

The previous prime is 196216301. The next prime is 196216331. The reversal of 196216311 is 113612691.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 196216311 - 2⁶ = 196216247 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 (196216301) 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, 32702716 + ... + 32702721.

It is an arithmetic number, because the mean of its divisors is an integer number (65405438).

Almost surely, 2^196216311 is an apocalyptic number.

196216311 is a deficient number, since it is larger than the sum of its proper divisors (65405441).

196216311 is an equidigital number, since it uses as much as digits as its factorization.

196216311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65405440.

The product of its digits is 1944, while the sum is 30.

The square root of 196216311 is about 14007.7232625434. The cubic root of 196216311 is about 581.0921859918.

The spelling of 196216311 in words is "one hundred ninety-six million, two hundred sixteen thousand, three hundred eleven".