201331199999999 has 4 divisors (see below), whose sum is σ = 201401570922120. Its totient is φ = 201260829077880.

The previous prime is 201331199999987. The next prime is 201331200000043. The reversal of 201331199999999 is 999999991133102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201331199999999 - 2⁴⁴ = 183739013955583 is a prime.

It is a Duffinian number.

201331199999999 is a modest number, since divided by 99999999 gives 2013311 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201331199999399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35185456769 + ... + 35185462490.

It is an arithmetic number, because the mean of its divisors is an integer number (50350392730530).

Almost surely, 2^{201331199999999} is an apocalyptic number.

201331199999999 is a deficient number, since it is larger than the sum of its proper divisors (70370922121).

201331199999999 is an equidigital number, since it uses as much as digits as its factorization.

201331199999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70370922120.

The product of its (nonzero) digits is 774840978, while the sum is 83.

The spelling of 201331199999999 in words is "two hundred one trillion, three hundred thirty-one billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".