201131331142 has 8 divisors (see below), whose sum is σ = 344796567696. Its totient is φ = 86199141912.

The previous prime is 201131331113. The next prime is 201131331173. The reversal of 201131331142 is 241133131102.

201131331142 is digitally balanced in base 2, 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.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7183261813 + ... + 7183261840.

It is an arithmetic number, because the mean of its divisors is an integer number (43099570962).

Almost surely, 2^201131331142 is an apocalyptic number.

201131331142 is a deficient number, since it is larger than the sum of its proper divisors (143665236554).

201131331142 is a wasteful number, since it uses less digits than its factorization.

201131331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14366523662.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201131331142 its reverse (241133131102), we get a palindrome (442264462244).

The spelling of 201131331142 in words is "two hundred one billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred forty-two".