321310240112 has 20 divisors (see below), whose sum is σ = 628249956840. Its totient is φ = 159181219008.

The previous prime is 321310240067. The next prime is 321310240159. The reversal of 321310240112 is 211042013123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92117018 + ... + 92120505.

It is an arithmetic number, because the mean of its divisors is an integer number (31412497842).

Almost surely, 2^321310240112 is an apocalyptic number.

It is an amenable number.

321310240112 is a deficient number, since it is larger than the sum of its proper divisors (306939716728).

321310240112 is a wasteful number, since it uses less digits than its factorization.

321310240112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184237640 (or 184237634 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 321310240112 its reverse (211042013123), we get a palindrome (532352253235).

The spelling of 321310240112 in words is "three hundred twenty-one billion, three hundred ten million, two hundred forty thousand, one hundred twelve".