12131311003 has 8 divisors (see below), whose sum is σ = 14311592960. Its totient is φ = 10062838440.

The previous prime is 12131310991. The next prime is 12131311013. The reversal of 12131311003 is 30011313121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12131311003 - 2⁹ = 12131310491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12131311013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27952113 + ... + 27952546.

It is an arithmetic number, because the mean of its divisors is an integer number (1788949120).

Almost surely, 2^12131311003 is an apocalyptic number.

12131311003 is a deficient number, since it is larger than the sum of its proper divisors (2180281957).

12131311003 is an equidigital number, since it uses as much as digits as its factorization.

12131311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55904697.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 12131311003 its reverse (30011313121), we get a palindrome (42142624124).

The spelling of 12131311003 in words is "twelve billion, one hundred thirty-one million, three hundred eleven thousand, three".