201312239 has 8 divisors (see below), whose sum is σ = 212192640. Its totient is φ = 190460376.

The previous prime is 201312217. The next prime is 201312257. The reversal of 201312239 is 932213102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201312239 - 2⁸ = 201311983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201312259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8222 + ... + 21684.

It is an arithmetic number, because the mean of its divisors is an integer number (26524080).

Almost surely, 2^201312239 is an apocalyptic number.

201312239 is a deficient number, since it is larger than the sum of its proper divisors (10880401).

201312239 is a wasteful number, since it uses less digits than its factorization.

201312239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14269.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 201312239 is about 14188.4544260466. The cubic root of 201312239 is about 586.0797639019.

The spelling of 201312239 in words is "two hundred one million, three hundred twelve thousand, two hundred thirty-nine".