331211033243242 has 16 divisors (see below), whose sum is σ = 503278672976640. Its totient is φ = 163452919801392.

The previous prime is 331211033243231. The next prime is 331211033243323. The reversal of 331211033243242 is 242342330112133.

It is a junction number, because it is equal to n+sod(n) for n = 331211033243198 and 331211033243207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360594093 + ... + 361511440.

It is an arithmetic number, because the mean of its divisors is an integer number (31454917061040).

Almost surely, 2^{331211033243242} is an apocalyptic number.

331211033243242 is a deficient number, since it is larger than the sum of its proper divisors (172067639733398).

331211033243242 is a wasteful number, since it uses less digits than its factorization.

331211033243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722108517.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 331211033243242 its reverse (242342330112133), we get a palindrome (573553363355375).

The spelling of 331211033243242 in words is "three hundred thirty-one trillion, two hundred eleven billion, thirty-three million, two hundred forty-three thousand, two hundred forty-two".