196730311 has 2 divisors, whose sum is σ = 196730312. Its totient is φ = 196730310.

The previous prime is 196730299. The next prime is 196730333. The reversal of 196730311 is 113037691.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196730311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196730711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98365155 + 98365156.

It is an arithmetic number, because the mean of its divisors is an integer number (98365156).

Almost surely, 2^196730311 is an apocalyptic number.

196730311 is a deficient number, since it is larger than the sum of its proper divisors (1).

196730311 is an equidigital number, since it uses as much as digits as its factorization.

196730311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 196730311 is about 14026.0582844932. The cubic root of 196730311 is about 581.5991451340.

The spelling of 196730311 in words is "one hundred ninety-six million, seven hundred thirty thousand, three hundred eleven".