1313133103 has 2 divisors, whose sum is σ = 1313133104. Its totient is φ = 1313133102.

The previous prime is 1313133077. The next prime is 1313133109. The reversal of 1313133103 is 3013313131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313133103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313133109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656566551 + 656566552.

It is an arithmetic number, because the mean of its divisors is an integer number (656566552).

Almost surely, 2^1313133103 is an apocalyptic number.

1313133103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313133103 is an equidigital number, since it uses as much as digits as its factorization.

1313133103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 1313133103 is about 36237.1784635614. The cubic root of 1313133103 is about 1095.0558002742.

Adding to 1313133103 its reverse (3013313131), we get a palindrome (4326446234).

The spelling of 1313133103 in words is "one billion, three hundred thirteen million, one hundred thirty-three thousand, one hundred three".