321113020223144 has 16 divisors (see below), whose sum is σ = 603112614652800. Its totient is φ = 160282989649072.

The previous prime is 321113020223143. The next prime is 321113020223159. The reversal of 321113020223144 is 441322020311123.

It is a happy number.

It is a super-3 number, since 3×321113020223144³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (321113020223143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34190052824 + ... + 34190062215.

It is an arithmetic number, because the mean of its divisors is an integer number (37694538415800).

Almost surely, 2^{321113020223144} is an apocalyptic number.

It is an amenable number.

321113020223144 is a deficient number, since it is larger than the sum of its proper divisors (281999594429656).

321113020223144 is a wasteful number, since it uses less digits than its factorization.

321113020223144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68380115632 (or 68380115628 counting only the distinct ones).

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

Adding to 321113020223144 its reverse (441322020311123), we get a palindrome (762435040534267).

The spelling of 321113020223144 in words is "three hundred twenty-one trillion, one hundred thirteen billion, twenty million, two hundred twenty-three thousand, one hundred forty-four".