1310121111003 has 4 divisors (see below), whose sum is σ = 1746828148008. Its totient is φ = 873414074000.

The previous prime is 1310121110983. The next prime is 1310121111007. The reversal of 1310121111003 is 3001111210131.

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 1310121111003 - 2⁵ = 1310121110971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310121111007) 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, 218353518498 + ... + 218353518503.

It is an arithmetic number, because the mean of its divisors is an integer number (436707037002).

Almost surely, 2^{1310121111003} is an apocalyptic number.

1310121111003 is a deficient number, since it is larger than the sum of its proper divisors (436707037005).

1310121111003 is an equidigital number, since it uses as much as digits as its factorization.

1310121111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436707037004.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1310121111003 its reverse (3001111210131), we get a palindrome (4311232321134).

The spelling of 1310121111003 in words is "one trillion, three hundred ten billion, one hundred twenty-one million, one hundred eleven thousand, three".