12103103001331 has 4 divisors (see below), whose sum is σ = 12105105837592. Its totient is φ = 12101100165072.

The previous prime is 12103103001317. The next prime is 12103103001343. The reversal of 12103103001331 is 13310030130121.

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

It is a cyclic number.

It is not a de Polignac number, because 12103103001331 - 2¹¹ = 12103102999283 is a prime.

It is a super-2 number, since 2×12103103001331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12103103001299 and 12103103001308.

It is not an unprimeable number, because it can be changed into a prime (12103103001371) 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, 1001409066 + ... + 1001421151.

It is an arithmetic number, because the mean of its divisors is an integer number (3026276459398).

Almost surely, 2^{12103103001331} is an apocalyptic number.

12103103001331 is a deficient number, since it is larger than the sum of its proper divisors (2002836261).

12103103001331 is an equidigital number, since it uses as much as digits as its factorization.

12103103001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002836260.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 12103103001331 its reverse (13310030130121), we get a palindrome (25413133131452).

The spelling of 12103103001331 in words is "twelve trillion, one hundred three billion, one hundred three million, one thousand, three hundred thirty-one".