1310503133 has 2 divisors, whose sum is σ = 1310503134. Its totient is φ = 1310503132.

The previous prime is 1310503091. The next prime is 1310503153. The reversal of 1310503133 is 3313050131.

It is an a-pointer prime, because the next prime (1310503153) can be obtained adding 1310503133 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1075708804 + 234794329 = 32798^2 + 15323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310503133 - 2³⁰ = 236761309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310503153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655251566 + 655251567.

It is an arithmetic number, because the mean of its divisors is an integer number (655251567).

Almost surely, 2^1310503133 is an apocalyptic number.

It is an amenable number.

1310503133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310503133 is an equidigital number, since it uses as much as digits as its factorization.

1310503133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 1310503133 is about 36200.8719922601. The cubic root of 1310503133 is about 1094.3242449017.

Adding to 1310503133 its reverse (3313050131), we get a palindrome (4623553264).

The spelling of 1310503133 in words is "one billion, three hundred ten million, five hundred three thousand, one hundred thirty-three".