1313153503 has 2 divisors, whose sum is σ = 1313153504. Its totient is φ = 1313153502.

The previous prime is 1313153483. The next prime is 1313153507. The reversal of 1313153503 is 3053513131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313153503 - 2⁹ = 1313152991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313153507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656576751 + 656576752.

It is an arithmetic number, because the mean of its divisors is an integer number (656576752).

Almost surely, 2^1313153503 is an apocalyptic number.

1313153503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313153503 is an equidigital number, since it uses as much as digits as its factorization.

1313153503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 25.

The square root of 1313153503 is about 36237.4599413369. The cubic root of 1313153503 is about 1095.0614709415.

Adding to 1313153503 its reverse (3053513131), we get a palindrome (4366666634).

The spelling of 1313153503 in words is "one billion, three hundred thirteen million, one hundred fifty-three thousand, five hundred three".