331224123401240 has 32 divisors (see below), whose sum is σ = 746462145257280. Its totient is φ = 132274917341952.

The previous prime is 331224123401201. The next prime is 331224123401257. The reversal of 331224123401240 is 42104321422133.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 331224123401197 and 331224123401206.

It is a congruent number.

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, 6710350592 + ... + 6710399951.

It is an arithmetic number, because the mean of its divisors is an integer number (23326942039290).

Almost surely, 2^{331224123401240} is an apocalyptic number.

It is an amenable number.

331224123401240 is an abundant number, since it is smaller than the sum of its proper divisors (415238021856040).

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

331224123401240 is a wasteful number, since it uses less digits than its factorization.

331224123401240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13420751171 (or 13420751167 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 331224123401240 its reverse (42104321422133), we get a palindrome (373328444823373).

The spelling of 331224123401240 in words is "three hundred thirty-one trillion, two hundred twenty-four billion, one hundred twenty-three million, four hundred one thousand, two hundred forty".