1311023334103 has 6 divisors (see below), whose sum is σ = 1525067960136. Its totient is φ = 1123734286332.

The previous prime is 1311023334097. The next prime is 1311023334163. The reversal of 1311023334103 is 3014333201131.

It is not a de Polignac number, because 1311023334103 - 2²⁹ = 1310486463191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311023334163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13377789075 + ... + 13377789172.

It is an arithmetic number, because the mean of its divisors is an integer number (254177993356).

Almost surely, 2^{1311023334103} is an apocalyptic number.

1311023334103 is a deficient number, since it is larger than the sum of its proper divisors (214044626033).

1311023334103 is an equidigital number, since it uses as much as digits as its factorization.

1311023334103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26755578261 (or 26755578254 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1311023334103 its reverse (3014333201131), we get a palindrome (4325356535234).

The spelling of 1311023334103 in words is "one trillion, three hundred eleven billion, twenty-three million, three hundred thirty-four thousand, one hundred three".