321020242401 has 4 divisors (see below), whose sum is σ = 428026989872. Its totient is φ = 214013494932.

The previous prime is 321020242357. The next prime is 321020242409. The reversal of 321020242401 is 104242020123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 321020242401 - 2¹¹ = 321020240353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321020242409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53503373731 + ... + 53503373736.

It is an arithmetic number, because the mean of its divisors is an integer number (107006747468).

Almost surely, 2^321020242401 is an apocalyptic number.

It is an amenable number.

321020242401 is a deficient number, since it is larger than the sum of its proper divisors (107006747471).

321020242401 is a wasteful number, since it uses less digits than its factorization.

321020242401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107006747470.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 321020242401 its reverse (104242020123), we get a palindrome (425262262524).

The spelling of 321020242401 in words is "three hundred twenty-one billion, twenty million, two hundred forty-two thousand, four hundred one".