201131768 has 8 divisors (see below), whose sum is σ = 377122080. Its totient is φ = 100565880.

The previous prime is 201131759. The next prime is 201131797. The reversal of 201131768 is 867131102.

201131768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 201131768.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12570728 + ... + 12570743.

It is an arithmetic number, because the mean of its divisors is an integer number (47140260).

Almost surely, 2^201131768 is an apocalyptic number.

It is an amenable number.

201131768 is a deficient number, since it is larger than the sum of its proper divisors (175990312).

201131768 is a wasteful number, since it uses less digits than its factorization.

201131768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25141477 (or 25141473 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 201131768 is about 14182.0932164473. The cubic root of 201131768 is about 585.9045766338.

The spelling of 201131768 in words is "two hundred one million, one hundred thirty-one thousand, seven hundred sixty-eight".