1303121133103 has 2 divisors, whose sum is σ = 1303121133104. Its totient is φ = 1303121133102.

The previous prime is 1303121133089. The next prime is 1303121133109. The reversal of 1303121133103 is 3013311213031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1303121133103 - 2¹⁷ = 1303121002031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303121133109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651560566551 + 651560566552.

It is an arithmetic number, because the mean of its divisors is an integer number (651560566552).

Almost surely, 2^{1303121133103} is an apocalyptic number.

1303121133103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303121133103 is an equidigital number, since it uses as much as digits as its factorization.

1303121133103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1303121133103 its reverse (3013311213031), we get a palindrome (4316432346134).

The spelling of 1303121133103 in words is "one trillion, three hundred three billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred three".