331421442142 has 16 divisors (see below), whose sum is σ = 568216609632. Its totient is φ = 142021369440.

The previous prime is 331421442119. The next prime is 331421442151. The reversal of 331421442142 is 241244124133.

It is a happy number.

It is a super-2 number, since 2×331421442142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239909 + ... + 1483312.

It is an arithmetic number, because the mean of its divisors is an integer number (35513538102).

Almost surely, 2^331421442142 is an apocalyptic number.

331421442142 is a deficient number, since it is larger than the sum of its proper divisors (236795167490).

331421442142 is a wasteful number, since it uses less digits than its factorization.

331421442142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731923.

The product of its digits is 18432, while the sum is 31.

Adding to 331421442142 its reverse (241244124133), we get a palindrome (572665566275).

The spelling of 331421442142 in words is "three hundred thirty-one billion, four hundred twenty-one million, four hundred forty-two thousand, one hundred forty-two".