331234420242 has 32 divisors (see below), whose sum is σ = 724302907200. Its totient is φ = 100150507520.

The previous prime is 331234420183. The next prime is 331234420291. The reversal of 331234420242 is 242024432133.

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 15 ways as a sum of consecutive naturals, for example, 5559123 + ... + 5618390.

It is an arithmetic number, because the mean of its divisors is an integer number (22634465850).

Almost surely, 2^331234420242 is an apocalyptic number.

331234420242 is an abundant number, since it is smaller than the sum of its proper divisors (393068486958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331234420242 is a wasteful number, since it uses less digits than its factorization.

331234420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11177978.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 331234420242 its reverse (242024432133), we get a palindrome (573258852375).

The spelling of 331234420242 in words is "three hundred thirty-one billion, two hundred thirty-four million, four hundred twenty thousand, two hundred forty-two".