331220331123140 has 48 divisors (see below), whose sum is σ = 714680291211264. Its totient is φ = 128866210809600.

The previous prime is 331220331123089. The next prime is 331220331123167. The reversal of 331220331123140 is 41321133022133.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609890564 + ... + 610433403.

It is an arithmetic number, because the mean of its divisors is an integer number (14889172733568).

Almost surely, 2^{331220331123140} is an apocalyptic number.

It is an amenable number.

331220331123140 is an abundant number, since it is smaller than the sum of its proper divisors (383459960088124).

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

331220331123140 is a wasteful number, since it uses less digits than its factorization.

331220331123140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220324348 (or 1220324346 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 331220331123140 its reverse (41321133022133), we get a palindrome (372541464145273).

The spelling of 331220331123140 in words is "three hundred thirty-one trillion, two hundred twenty billion, three hundred thirty-one million, one hundred twenty-three thousand, one hundred forty".