196388800031 has 16 divisors (see below), whose sum is σ = 197969138688. Its totient is φ = 194816880000.

The previous prime is 196388800019. The next prime is 196388800039. The reversal of 196388800031 is 130008883691.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 196388800031 - 2¹⁸ = 196388537887 is a prime.

It is a super-2 number, since 2×196388800031² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 (196388800039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68882756 + ... + 68885606.

It is an arithmetic number, because the mean of its divisors is an integer number (12373071168).

Almost surely, 2^196388800031 is an apocalyptic number.

196388800031 is a deficient number, since it is larger than the sum of its proper divisors (1580338657).

196388800031 is a wasteful number, since it uses less digits than its factorization.

196388800031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 196388800031 in words is "one hundred ninety-six billion, three hundred eighty-eight million, eight hundred thousand, thirty-one".