201031331338 has 8 divisors (see below), whose sum is σ = 302034150720. Its totient is φ = 100353281100.

The previous prime is 201031331273. The next prime is 201031331357. The reversal of 201031331338 is 833133130102.

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

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, 81190738 + ... + 81193213.

It is an arithmetic number, because the mean of its divisors is an integer number (37754268840).

Almost surely, 2^201031331338 is an apocalyptic number.

201031331338 is a deficient number, since it is larger than the sum of its proper divisors (101002819382).

201031331338 is a wasteful number, since it uses less digits than its factorization.

201031331338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162384572.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 201031331338 in words is "two hundred one billion, thirty-one million, three hundred thirty-one thousand, three hundred thirty-eight".