321213130323 has 16 divisors (see below), whose sum is σ = 457967242656. Its totient is φ = 199549990400.

The previous prime is 321213130321. The next prime is 321213130349. The reversal of 321213130323 is 323031312123.

It is a cyclic number.

It is not a de Polignac number, because 321213130323 - 2¹ = 321213130321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321213130293 and 321213130302.

It is not an unprimeable number, because it can be changed into a prime (321213130321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31174536 + ... + 31184837.

It is an arithmetic number, because the mean of its divisors is an integer number (28622952666).

Almost surely, 2^321213130323 is an apocalyptic number.

321213130323 is a deficient number, since it is larger than the sum of its proper divisors (136754112333).

321213130323 is a wasteful number, since it uses less digits than its factorization.

321213130323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62359494.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 321213130323 its reverse (323031312123), we get a palindrome (644244442446).

The spelling of 321213130323 in words is "three hundred twenty-one billion, two hundred thirteen million, one hundred thirty thousand, three hundred twenty-three".