321230310312121 has 4 divisors (see below), whose sum is σ = 367120354642432. Its totient is φ = 275340265981812.

The previous prime is 321230310312029. The next prime is 321230310312127. The reversal of 321230310312121 is 121213013032123.

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 a cyclic number.

It is not a de Polignac number, because 321230310312121 - 2¹⁵ = 321230310279353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321230310312127) 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 3 ways as a sum of consecutive naturals, for example, 22945022165145 + ... + 22945022165158.

It is an arithmetic number, because the mean of its divisors is an integer number (91780088660608).

Almost surely, 2^{321230310312121} is an apocalyptic number.

It is an amenable number.

321230310312121 is a deficient number, since it is larger than the sum of its proper divisors (45890044330311).

321230310312121 is an equidigital number, since it uses as much as digits as its factorization.

321230310312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45890044330310.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 321230310312121 its reverse (121213013032123), we get a palindrome (442443323344244).

The spelling of 321230310312121 in words is "three hundred twenty-one trillion, two hundred thirty billion, three hundred ten million, three hundred twelve thousand, one hundred twenty-one".