12312320331303 has 6 divisors (see below), whose sum is σ = 17784462700784. Its totient is φ = 8208213554196.

The previous prime is 12312320331221. The next prime is 12312320331341. The reversal of 12312320331303 is 30313302321321.

12312320331303 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 2 + 3 + 20 + 331 + 303 = 666.

It is not a de Polignac number, because 12312320331303 - 2¹⁰ = 12312320330279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312320331503) 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, 684017796175 + ... + 684017796192.

Almost surely, 2^{12312320331303} is an apocalyptic number.

12312320331303 is a deficient number, since it is larger than the sum of its proper divisors (5472142369481).

12312320331303 is a wasteful number, since it uses less digits than its factorization.

12312320331303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368035592373 (or 1368035592370 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 12312320331303 its reverse (30313302321321), we get a palindrome (42625622652624).

The spelling of 12312320331303 in words is "twelve trillion, three hundred twelve billion, three hundred twenty million, three hundred thirty-one thousand, three hundred three".