12331311303 has 16 divisors (see below), whose sum is σ = 16767959040. Its totient is φ = 8058065184.

The previous prime is 12331311269. The next prime is 12331311313. The reversal of 12331311303 is 30311313321.

It is not a de Polignac number, because 12331311303 - 2¹² = 12331307207 is a prime.

It is a super-2 number, since 2×12331311303² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12331311303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331311313) 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, 132538 + ... + 205496.

It is an arithmetic number, because the mean of its divisors is an integer number (1047997440).

Almost surely, 2^12331311303 is an apocalyptic number.

12331311303 is a deficient number, since it is larger than the sum of its proper divisors (4436647737).

12331311303 is a wasteful number, since it uses less digits than its factorization.

12331311303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74078.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 12331311303 its reverse (30311313321), we get a palindrome (42642624624).

The spelling of 12331311303 in words is "twelve billion, three hundred thirty-one million, three hundred eleven thousand, three hundred three".