31230243334120 has 32 divisors (see below), whose sum is σ = 70303554525600. Its totient is φ = 12485784973888.

The previous prime is 31230243334111. The next prime is 31230243334133. The reversal of 31230243334120 is 2143334203213.

It is a happy 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, 197181094 + ... + 197339413.

It is an arithmetic number, because the mean of its divisors is an integer number (2196986078925).

Almost surely, 2^{31230243334120} is an apocalyptic number.

It is an amenable number.

31230243334120 is an abundant number, since it is smaller than the sum of its proper divisors (39073311191480).

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

31230243334120 is a wasteful number, since it uses less digits than its factorization.

31230243334120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394522497 (or 394522493 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 31230243334120 its reverse (2143334203213), we get a palindrome (33373577537333).

The spelling of 31230243334120 in words is "thirty-one trillion, two hundred thirty billion, two hundred forty-three million, three hundred thirty-four thousand, one hundred twenty".