1303103123111 has 4 divisors (see below), whose sum is σ = 1303106023392. Its totient is φ = 1303100222832.

The previous prime is 1303103123107. The next prime is 1303103123219. The reversal of 1303103123111 is 1113213013031.

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 1303103123111 - 2² = 1303103123107 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 (1303103123411) 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, 616406 + ... + 1728051.

It is an arithmetic number, because the mean of its divisors is an integer number (325776505848).

Almost surely, 2^{1303103123111} is an apocalyptic number.

1303103123111 is a deficient number, since it is larger than the sum of its proper divisors (2900281).

1303103123111 is an equidigital number, since it uses as much as digits as its factorization.

1303103123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900280.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1303103123111 its reverse (1113213013031), we get a palindrome (2416316136142).

The spelling of 1303103123111 in words is "one trillion, three hundred three billion, one hundred three million, one hundred twenty-three thousand, one hundred eleven".