196303131287 has 8 divisors (see below), whose sum is σ = 197663122560. Its totient is φ = 194943929400.

The previous prime is 196303131281. The next prime is 196303131341. The reversal of 196303131287 is 782131303691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 196303131287 - 2¹⁰ = 196303130263 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 (196303131281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306164 + ... + 697382.

It is an arithmetic number, because the mean of its divisors is an integer number (24707890320).

Almost surely, 2^196303131287 is an apocalyptic number.

196303131287 is a deficient number, since it is larger than the sum of its proper divisors (1359991273).

196303131287 is a wasteful number, since it uses less digits than its factorization.

196303131287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394693.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 196303131287 in words is "one hundred ninety-six billion, three hundred three million, one hundred thirty-one thousand, two hundred eighty-seven".