331336742 has 16 divisors (see below), whose sum is σ = 559678464. Its totient is φ = 145749000.

The previous prime is 331336741. The next prime is 331336751. The reversal of 331336742 is 247633133.

It is a junction number, because it is equal to n+sod(n) for n = 331336699 and 331336708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331336741) by changing a digit.

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, 242234 + ... + 243597.

It is an arithmetic number, because the mean of its divisors is an integer number (34979904).

Almost surely, 2^331336742 is an apocalyptic number.

331336742 is a deficient number, since it is larger than the sum of its proper divisors (228341722).

331336742 is a wasteful number, since it uses less digits than its factorization.

331336742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485875.

The product of its digits is 27216, while the sum is 32.

The square root of 331336742 is about 18202.6575532256. The cubic root of 331336742 is about 691.9741420055.

Adding to 331336742 its reverse (247633133), we get a palindrome (578969875).

The spelling of 331336742 in words is "three hundred thirty-one million, three hundred thirty-six thousand, seven hundred forty-two".