201305312 has 24 divisors (see below), whose sum is σ = 426806856. Its totient is φ = 92909952.

The previous prime is 201305281. The next prime is 201305329. The reversal of 201305312 is 213503102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241538 + ... + 242369.

It is an arithmetic number, because the mean of its divisors is an integer number (17783619).

Almost surely, 2^201305312 is an apocalyptic number.

It is an amenable number.

201305312 is an abundant number, since it is smaller than the sum of its proper divisors (225501544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201305312 is a wasteful number, since it uses less digits than its factorization.

201305312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483930 (or 483922 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 201305312 is about 14188.2103170203. The cubic root of 201305312 is about 586.0730416395.

Adding to 201305312 its reverse (213503102), we get a palindrome (414808414).

The spelling of 201305312 in words is "two hundred one million, three hundred five thousand, three hundred twelve".