2321031021305 has 32 divisors (see below), whose sum is σ = 2813539442688. Its totient is φ = 1838064102400.

The previous prime is 2321031021301. The next prime is 2321031021347. The reversal of 2321031021305 is 5031201301232.

It is not a de Polignac number, because 2321031021305 - 2² = 2321031021301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321031021301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262823240 + ... + 262832070.

It is an arithmetic number, because the mean of its divisors is an integer number (87923107584).

Almost surely, 2^{2321031021305} is an apocalyptic number.

It is an amenable number.

2321031021305 is a deficient number, since it is larger than the sum of its proper divisors (492508421383).

2321031021305 is a wasteful number, since it uses less digits than its factorization.

2321031021305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10297.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 2321031021305 its reverse (5031201301232), we get a palindrome (7352232322537).

The spelling of 2321031021305 in words is "two trillion, three hundred twenty-one billion, thirty-one million, twenty-one thousand, three hundred five".