331101442 has 32 divisors (see below), whose sum is σ = 580027392. Its totient is φ = 138828624.

The previous prime is 331101437. The next prime is 331101481. The reversal of 331101442 is 244101133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123003 + ... + 125665.

It is an arithmetic number, because the mean of its divisors is an integer number (18125856).

Almost surely, 2^331101442 is an apocalyptic number.

331101442 is a deficient number, since it is larger than the sum of its proper divisors (248925950).

331101442 is a wasteful number, since it uses less digits than its factorization.

331101442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 331101442 is about 18196.1930633855. The cubic root of 331101442 is about 691.8103005586.

Adding to 331101442 its reverse (244101133), we get a palindrome (575202575).

The spelling of 331101442 in words is "three hundred thirty-one million, one hundred one thousand, four hundred forty-two".