331002420032001 has 4 divisors (see below), whose sum is σ = 441336560042672. Its totient is φ = 220668280021332.

The previous prime is 331002420031979. The next prime is 331002420032021. The reversal of 331002420032001 is 100230024200133.

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 331002420032001 - 2⁹ = 331002420031489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331002420032021) 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, 55167070005331 + ... + 55167070005336.

It is an arithmetic number, because the mean of its divisors is an integer number (110334140010668).

Almost surely, 2^{331002420032001} is an apocalyptic number.

It is an amenable number.

331002420032001 is a deficient number, since it is larger than the sum of its proper divisors (110334140010671).

331002420032001 is a wasteful number, since it uses less digits than its factorization.

331002420032001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110334140010670.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 331002420032001 its reverse (100230024200133), we get a palindrome (431232444232134).

The spelling of 331002420032001 in words is "three hundred thirty-one trillion, two billion, four hundred twenty million, thirty-two thousand, one".