1016381503 has 2 divisors, whose sum is σ = 1016381504. Its totient is φ = 1016381502.

The previous prime is 1016381501. The next prime is 1016381507. The reversal of 1016381503 is 3051836101.

1016381503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1016381503 - 2¹ = 1016381501 is a prime.

Together with 1016381501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016381501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508190751 + 508190752.

It is an arithmetic number, because the mean of its divisors is an integer number (508190752).

Almost surely, 2^1016381503 is an apocalyptic number.

1016381503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016381503 is an equidigital number, since it uses as much as digits as its factorization.

1016381503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1016381503 is about 31880.7387461458. The cubic root of 1016381503 is about 1005.4309523607.

It can be divided in two parts, 101638150 and 3, that added together give a triangular number (101638153 = T₁₄₂₅₇).

The spelling of 1016381503 in words is "one billion, sixteen million, three hundred eighty-one thousand, five hundred three".