201400312 has 8 divisors (see below), whose sum is σ = 377625600. Its totient is φ = 100700152.

The previous prime is 201400291. The next prime is 201400319. The reversal of 201400312 is 213004102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201400292 and 201400301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201400319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12587512 + ... + 12587527.

It is an arithmetic number, because the mean of its divisors is an integer number (47203200).

Almost surely, 2^201400312 is an apocalyptic number.

It is an amenable number.

201400312 is a deficient number, since it is larger than the sum of its proper divisors (176225288).

201400312 is a wasteful number, since it uses less digits than its factorization.

201400312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25175045 (or 25175041 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201400312 is about 14191.5577721404. The cubic root of 201400312 is about 586.1652203346.

Adding to 201400312 its reverse (213004102), we get a palindrome (414404414).

The spelling of 201400312 in words is "two hundred one million, four hundred thousand, three hundred twelve".