1310123111303 has 2 divisors, whose sum is σ = 1310123111304. Its totient is φ = 1310123111302.

The previous prime is 1310123111299. The next prime is 1310123111327. The reversal of 1310123111303 is 3031113210131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310123111303 - 2² = 1310123111299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310123111393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655061555651 + 655061555652.

It is an arithmetic number, because the mean of its divisors is an integer number (655061555652).

Almost surely, 2^{1310123111303} is an apocalyptic number.

1310123111303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310123111303 is an equidigital number, since it uses as much as digits as its factorization.

1310123111303 is an evil number, because the sum of its binary digits is even.

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

Adding to 1310123111303 its reverse (3031113210131), we get a palindrome (4341236321434).

The spelling of 1310123111303 in words is "one trillion, three hundred ten billion, one hundred twenty-three million, one hundred eleven thousand, three hundred three".