321043241013 has 16 divisors (see below), whose sum is σ = 467125893696. Its totient is φ = 194507533440.

The previous prime is 321043240979. The next prime is 321043241017. The reversal of 321043241013 is 310142340123.

It is a happy number.

It is not a de Polignac number, because 321043241013 - 2¹⁷ = 321043109941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321043241017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501456 + ... + 1701897.

It is an arithmetic number, because the mean of its divisors is an integer number (29195368356).

Almost surely, 2^321043241013 is an apocalyptic number.

321043241013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

321043241013 is a deficient number, since it is larger than the sum of its proper divisors (146082652683).

321043241013 is a wasteful number, since it uses less digits than its factorization.

321043241013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206404.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 321043241013 its reverse (310142340123), we get a palindrome (631185581136).

The spelling of 321043241013 in words is "three hundred twenty-one billion, forty-three million, two hundred forty-one thousand, thirteen".