201312238 has 8 divisors (see below), whose sum is σ = 315097488. Its totient is φ = 96279744.

The previous prime is 201312217. The next prime is 201312257. The reversal of 201312238 is 832213102.

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

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, 2188131 + ... + 2188222.

It is an arithmetic number, because the mean of its divisors is an integer number (39387186).

Almost surely, 2^201312238 is an apocalyptic number.

201312238 is a deficient number, since it is larger than the sum of its proper divisors (113785250).

201312238 is a wasteful number, since it uses less digits than its factorization.

201312238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376378.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 201312238 is about 14188.4543908066. The cubic root of 201312238 is about 586.0797629315.

The spelling of 201312238 in words is "two hundred one million, three hundred twelve thousand, two hundred thirty-eight".