331021433232140 has 24 divisors (see below), whose sum is σ = 794451439757472. Its totient is φ = 113493062822400.

The previous prime is 331021433231903. The next prime is 331021433232157. The reversal of 331021433232140 is 41232334120133.

It is a junction number, because it is equal to n+sod(n) for n = 331021433232097 and 331021433232106.

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, 1182219404261 + ... + 1182219404540.

It is an arithmetic number, because the mean of its divisors is an integer number (33102143323228).

Almost surely, 2^{331021433232140} is an apocalyptic number.

It is an amenable number.

331021433232140 is an abundant number, since it is smaller than the sum of its proper divisors (463430006525332).

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

331021433232140 is a wasteful number, since it uses less digits than its factorization.

331021433232140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364438808817 (or 2364438808815 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 331021433232140 its reverse (41232334120133), we get a palindrome (372253767352273).

The spelling of 331021433232140 in words is "three hundred thirty-one trillion, twenty-one billion, four hundred thirty-three million, two hundred thirty-two thousand, one hundred forty".