1313888803 has 2 divisors, whose sum is σ = 1313888804. Its totient is φ = 1313888802.

The previous prime is 1313888791. The next prime is 1313888813. The reversal of 1313888803 is 3088883131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313888803 - 2¹³ = 1313880611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313888803.

It is not a weakly prime, because it can be changed into another prime (1313888813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656944401 + 656944402.

It is an arithmetic number, because the mean of its divisors is an integer number (656944402).

Almost surely, 2^1313888803 is an apocalyptic number.

1313888803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313888803 is an equidigital number, since it uses as much as digits as its factorization.

1313888803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 1313888803 is about 36247.6041001333. The cubic root of 1313888803 is about 1095.2658259424.

The spelling of 1313888803 in words is "one billion, three hundred thirteen million, eight hundred eighty-eight thousand, eight hundred three".