331332142 has 24 divisors (see below), whose sum is σ = 530164440. Its totient is φ = 155268480.

The previous prime is 331332139. The next prime is 331332161. The reversal of 331332142 is 241233133.

331332142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 154417 + ... + 156547.

It is an arithmetic number, because the mean of its divisors is an integer number (22090185).

Almost surely, 2^331332142 is an apocalyptic number.

331332142 is a deficient number, since it is larger than the sum of its proper divisors (198832298).

331332142 is a wasteful number, since it uses less digits than its factorization.

331332142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2419 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 331332142 is about 18202.5311976110. The cubic root of 331332142 is about 691.9709397288.

Adding to 331332142 its reverse (241233133), we get a palindrome (572565275).

Subtracting from 331332142 its reverse (241233133), we obtain a palindrome (90099009).

The spelling of 331332142 in words is "three hundred thirty-one million, three hundred thirty-two thousand, one hundred forty-two".