321231000001 has 8 divisors (see below), whose sum is σ = 321910580000. Its totient is φ = 320551564320.

The previous prime is 321230999993. The next prime is 321231000061. The reversal of 321231000001 is 100000132123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321231000001 - 2³ = 321230999993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321231000061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5224405 + ... + 5285533.

It is an arithmetic number, because the mean of its divisors is an integer number (40238822500).

Almost surely, 2^321231000001 is an apocalyptic number.

It is an amenable number.

321231000001 is a deficient number, since it is larger than the sum of its proper divisors (679579999).

321231000001 is a wasteful number, since it uses less digits than its factorization.

321231000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72159.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 321231000001 its reverse (100000132123), we get a palindrome (421231132124).

It can be divided in two parts, 32123 and 1000001, that multiplied together give a palindrome (32123032123).

The spelling of 321231000001 in words is "three hundred twenty-one billion, two hundred thirty-one million, one", and thus it is an aban number.