321420023431112 has 16 divisors (see below), whose sum is σ = 603185234795340. Its totient is φ = 160570627485696.

The previous prime is 321420023431109. The next prime is 321420023431159. The reversal of 321420023431112 is 211134320024123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 312550788959236 + 8869234471876 = 17679106^2 + 2978126^2 .

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, 17423018933 + ... + 17423037380.

Almost surely, 2^{321420023431112} is an apocalyptic number.

It is an amenable number.

321420023431112 is a deficient number, since it is larger than the sum of its proper divisors (281765211364228).

321420023431112 is a wasteful number, since it uses less digits than its factorization.

321420023431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34846057472 (or 34846057468 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 321420023431112 its reverse (211134320024123), we get a palindrome (532554343455235).

The spelling of 321420023431112 in words is "three hundred twenty-one trillion, four hundred twenty billion, twenty-three million, four hundred thirty-one thousand, one hundred twelve".