201231042 has 8 divisors (see below), whose sum is σ = 402462096. Its totient is φ = 67077012.

The previous prime is 201231007. The next prime is 201231061. The reversal of 201231042 is 240132102.

201231042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

201231042 is an admirable 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, 16769248 + ... + 16769259.

It is an arithmetic number, because the mean of its divisors is an integer number (50307762).

Almost surely, 2^201231042 is an apocalyptic number.

201231042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201231042 is a wasteful number, since it uses less digits than its factorization.

201231042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33538512.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201231042 is about 14185.5927616720. The cubic root of 201231042 is about 586.0009571053. Note that the first 3 decimals are identical.

Adding to 201231042 its reverse (240132102), we get a palindrome (441363144).

The spelling of 201231042 in words is "two hundred one million, two hundred thirty-one thousand, forty-two".