12311031213003 has 4 divisors (see below), whose sum is σ = 16414708284008. Its totient is φ = 8207354142000.

The previous prime is 12311031213001. The next prime is 12311031213127. The reversal of 12311031213003 is 30031213011321.

It is a happy number.

12311031213003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12311031213003 - 2¹ = 12311031213001 is a prime.

It is a super-2 number, since 2×12311031213003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311031213001) 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, 2051838535498 + ... + 2051838535503.

It is an arithmetic number, because the mean of its divisors is an integer number (4103677071002).

Almost surely, 2^{12311031213003} is an apocalyptic number.

12311031213003 is a deficient number, since it is larger than the sum of its proper divisors (4103677071005).

12311031213003 is an equidigital number, since it uses as much as digits as its factorization.

12311031213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103677071004.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12311031213003 its reverse (30031213011321), we get a palindrome (42342244224324).

The spelling of 12311031213003 in words is "twelve trillion, three hundred eleven billion, thirty-one million, two hundred thirteen thousand, three".