12031132012313 has 4 divisors (see below), whose sum is σ = 12228363684708. Its totient is φ = 11833900339920.

The previous prime is 12031132012303. The next prime is 12031132012373. The reversal of 12031132012313 is 31321023113021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1460394907024 + 10570737105289 = 1208468^2 + 3251267^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031132012313 - 2⁴ = 12031132012297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031132012303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98615836106 + ... + 98615836227.

It is an arithmetic number, because the mean of its divisors is an integer number (3057090921177).

Almost surely, 2^{12031132012313} is an apocalyptic number.

It is an amenable number.

12031132012313 is a deficient number, since it is larger than the sum of its proper divisors (197231672395).

12031132012313 is an equidigital number, since it uses as much as digits as its factorization.

12031132012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197231672394.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12031132012313 its reverse (31321023113021), we get a palindrome (43352155125334).

The spelling of 12031132012313 in words is "twelve trillion, thirty-one billion, one hundred thirty-two million, twelve thousand, three hundred thirteen".