12331132031309 has 12 divisors (see below), whose sum is σ = 15447791776284. Its totient is φ = 9756500068224.

The previous prime is 12331132031261. The next prime is 12331132031327. The reversal of 12331132031309 is 90313023113321.

12331132031309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7352530518025 + 4978601513284 = 2711555^2 + 2231278^2 .

It is not a de Polignac number, because 12331132031309 - 2¹² = 12331132027213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331132031329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9679066892 + ... + 9679068165.

It is an arithmetic number, because the mean of its divisors is an integer number (1287315981357).

Almost surely, 2^{12331132031309} is an apocalyptic number.

It is an amenable number.

12331132031309 is a deficient number, since it is larger than the sum of its proper divisors (3116659744975).

12331132031309 is a wasteful number, since it uses less digits than its factorization.

12331132031309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19358135084 (or 19358135077 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 32.

The spelling of 12331132031309 in words is "twelve trillion, three hundred thirty-one billion, one hundred thirty-two million, thirty-one thousand, three hundred nine".