201868312 has 24 divisors (see below), whose sum is σ = 399478500. Its totient is φ = 95620464.

The previous prime is 201868279. The next prime is 201868321. The reversal of 201868312 is 213868102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32062 + ... + 37837.

Almost surely, 2^201868312 is an apocalyptic number.

It is an amenable number.

201868312 is a deficient number, since it is larger than the sum of its proper divisors (197610188).

201868312 is a wasteful number, since it uses less digits than its factorization.

201868312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69943 (or 69920 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 201868312 is about 14208.0368805828. The cubic root of 201868312 is about 586.6188990607.

The spelling of 201868312 in words is "two hundred one million, eight hundred sixty-eight thousand, three hundred twelve".