1316885503 has 2 divisors, whose sum is σ = 1316885504. Its totient is φ = 1316885502.

The previous prime is 1316885489. The next prime is 1316885509. The reversal of 1316885503 is 3055886131.

It is a strong prime.

It is an emirp because it is prime and its reverse (3055886131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316885503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316885509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658442751 + 658442752.

It is an arithmetic number, because the mean of its divisors is an integer number (658442752).

Almost surely, 2^1316885503 is an apocalyptic number.

1316885503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316885503 is an equidigital number, since it uses as much as digits as its factorization.

1316885503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1316885503 is about 36288.9170822167. The cubic root of 1316885503 is about 1096.0978828944.

The spelling of 1316885503 in words is "one billion, three hundred sixteen million, eight hundred eighty-five thousand, five hundred three".