1313703133 has 2 divisors, whose sum is σ = 1313703134. Its totient is φ = 1313703132.

The previous prime is 1313703043. The next prime is 1313703197. The reversal of 1313703133 is 3313073131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1274989849 + 38713284 = 35707^2 + 6222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313703133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313703098 and 1313703107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313707133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656851566 + 656851567.

It is an arithmetic number, because the mean of its divisors is an integer number (656851567).

Almost surely, 2^1313703133 is an apocalyptic number.

It is an amenable number.

1313703133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313703133 is an equidigital number, since it uses as much as digits as its factorization.

1313703133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 25.

The square root of 1313703133 is about 36245.0428748539. The cubic root of 1313703133 is about 1095.2142316255.

Adding to 1313703133 its reverse (3313073131), we get a palindrome (4626776264).

The spelling of 1313703133 in words is "one billion, three hundred thirteen million, seven hundred three thousand, one hundred thirty-three".