1303303103111 has 4 divisors (see below), whose sum is σ = 1327893727752. Its totient is φ = 1278712478472.

The previous prime is 1303303103093. The next prime is 1303303103161. The reversal of 1303303103111 is 1113013033031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303303103111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303303103161) 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, 12295312241 + ... + 12295312346.

It is an arithmetic number, because the mean of its divisors is an integer number (331973431938).

Almost surely, 2^{1303303103111} is an apocalyptic number.

1303303103111 is a deficient number, since it is larger than the sum of its proper divisors (24590624641).

1303303103111 is an equidigital number, since it uses as much as digits as its factorization.

1303303103111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24590624640.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 1303303103111 its reverse (1113013033031), we get a palindrome (2416316136142).

The spelling of 1303303103111 in words is "one trillion, three hundred three billion, three hundred three million, one hundred three thousand, one hundred eleven".