196303131289 has 4 divisors (see below), whose sum is σ = 207850374324. Its totient is φ = 184755888256.

The previous prime is 196303131281. The next prime is 196303131341. The reversal of 196303131289 is 982131303691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 982131303691 = 29 ⋅33866596679.

It can be written as a sum of positive squares in 2 ways, for example, as 128121043600 + 68182087689 = 357940^2 + 261117^2 .

It is a cyclic number.

It is not a de Polignac number, because 196303131289 - 2³ = 196303131281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196303131281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5773621492 + ... + 5773621525.

It is an arithmetic number, because the mean of its divisors is an integer number (51962593581).

Almost surely, 2^196303131289 is an apocalyptic number.

It is an amenable number.

196303131289 is a deficient number, since it is larger than the sum of its proper divisors (11547243035).

196303131289 is a wasteful number, since it uses less digits than its factorization.

196303131289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11547243034.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 196303131289 in words is "one hundred ninety-six billion, three hundred three million, one hundred thirty-one thousand, two hundred eighty-nine".