321020310323 has 6 divisors (see below), whose sum is σ = 323189291124. Its totient is φ = 318865789544.

The previous prime is 321020310313. The next prime is 321020310341. The reversal of 321020310323 is 323013020123.

It is not a de Polignac number, because 321020310323 - 2⁴ = 321020310307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321020310295 and 321020310304.

It is not an unprimeable number, because it can be changed into a prime (321020310313) 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, 7207661 + ... + 7252062.

It is an arithmetic number, because the mean of its divisors is an integer number (53864881854).

Almost surely, 2^321020310323 is an apocalyptic number.

321020310323 is a deficient number, since it is larger than the sum of its proper divisors (2168980801).

321020310323 is an equidigital number, since it uses as much as digits as its factorization.

321020310323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460021 (or 14459872 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 321020310323 its reverse (323013020123), we get a palindrome (644033330446).

The spelling of 321020310323 in words is "three hundred twenty-one billion, twenty million, three hundred ten thousand, three hundred twenty-three".