12031113303313 has 4 divisors (see below), whose sum is σ = 12956583557428. Its totient is φ = 11105643049200.

The previous prime is 12031113303211. The next prime is 12031113303317. The reversal of 12031113303313 is 31330331113021.

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 979797083409 + 11051316219904 = 989847^2 + 3324352^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031113303313 - 2¹³ = 12031113295121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031113303317) 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, 462735127038 + ... + 462735127063.

It is an arithmetic number, because the mean of its divisors is an integer number (3239145889357).

Almost surely, 2^{12031113303313} is an apocalyptic number.

12031113303313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12031113303313 is a deficient number, since it is larger than the sum of its proper divisors (925470254115).

12031113303313 is an equidigital number, since it uses as much as digits as its factorization.

12031113303313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925470254114.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 12031113303313 its reverse (31330331113021), we get a palindrome (43361444416334).

The spelling of 12031113303313 in words is "twelve trillion, thirty-one billion, one hundred thirteen million, three hundred three thousand, three hundred thirteen".