321000401063 has 6 divisors (see below), whose sum is σ = 332451070224. Its totient is φ = 309931420904.

The previous prime is 321000401047. The next prime is 321000401081. The reversal of 321000401063 is 360104000123.

It is not a de Polignac number, because 321000401063 - 2⁴ = 321000401047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321000401003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190843631 + ... + 190845312.

It is an arithmetic number, because the mean of its divisors is an integer number (55408511704).

Almost surely, 2^321000401063 is an apocalyptic number.

321000401063 is a deficient number, since it is larger than the sum of its proper divisors (11450669161).

321000401063 is an equidigital number, since it uses as much as digits as its factorization.

321000401063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381689001 (or 381688972 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 321000401063 its reverse (360104000123), we get a palindrome (681104401186).

The spelling of 321000401063 in words is "three hundred twenty-one billion, four hundred one thousand, sixty-three".