2321103231321 has 16 divisors (see below), whose sum is σ = 3538479458304. Its totient is φ = 1325759610384.

The previous prime is 2321103231313. The next prime is 2321103231367. The reversal of 2321103231321 is 1231323011232.

It is not a de Polignac number, because 2321103231321 - 2³ = 2321103231313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2321103231291 and 2321103231300.

It is not an unprimeable number, because it can be changed into a prime (2321103331321) 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, 24330145 + ... + 24425358.

It is an arithmetic number, because the mean of its divisors is an integer number (221154966144).

Almost surely, 2^{2321103231321} is an apocalyptic number.

2321103231321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2321103231321 is a deficient number, since it is larger than the sum of its proper divisors (1217376226983).

2321103231321 is a wasteful number, since it uses less digits than its factorization.

2321103231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48757780.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2321103231321 its reverse (1231323011232), we get a palindrome (3552426242553).

The spelling of 2321103231321 in words is "two trillion, three hundred twenty-one billion, one hundred three million, two hundred thirty-one thousand, three hundred twenty-one".