321013201220231 has 8 divisors (see below), whose sum is σ = 366042202296624. Its totient is φ = 278889296987520.

The previous prime is 321013201220209. The next prime is 321013201220237. The reversal of 321013201220231 is 132022102310123.

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 321013201220231 - 2⁴² = 316615154709127 is a prime.

It is a super-2 number, since 2×321013201220231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321013201220197 and 321013201220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321013201220237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726274210685 + ... + 726274211126.

It is an arithmetic number, because the mean of its divisors is an integer number (45755275287078).

Almost surely, 2^{321013201220231} is an apocalyptic number.

321013201220231 is a deficient number, since it is larger than the sum of its proper divisors (45029001076393).

321013201220231 is a wasteful number, since it uses less digits than its factorization.

321013201220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452548421841.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 321013201220231 its reverse (132022102310123), we get a palindrome (453035303530354).

The spelling of 321013201220231 in words is "three hundred twenty-one trillion, thirteen billion, two hundred one million, two hundred twenty thousand, two hundred thirty-one".