331444440242 has 8 divisors (see below), whose sum is σ = 497459633436. Its totient is φ = 165624562432.

The previous prime is 331444440227. The next prime is 331444440287. The reversal of 331444440242 is 242044444133.

It can be written as a sum of positive squares in 2 ways, for example, as 330531856561 + 912583681 = 574919^2 + 30209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48824603 + ... + 48831390.

Almost surely, 2^331444440242 is an apocalyptic number.

331444440242 is a deficient number, since it is larger than the sum of its proper divisors (166015193194).

331444440242 is a wasteful number, since it uses less digits than its factorization.

331444440242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97657692.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 331444440242 its reverse (242044444133), we get a palindrome (573488884375).

The spelling of 331444440242 in words is "three hundred thirty-one billion, four hundred forty-four million, four hundred forty thousand, two hundred forty-two".