1021316003 has 2 divisors, whose sum is σ = 1021316004. Its totient is φ = 1021316002.

The previous prime is 1021315973. The next prime is 1021316011. The reversal of 1021316003 is 3006131201.

It is a strong prime.

It is an emirp because it is prime and its reverse (3006131201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021316003 - 2¹⁶ = 1021250467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021316083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510658001 + 510658002.

It is an arithmetic number, because the mean of its divisors is an integer number (510658002).

Almost surely, 2^1021316003 is an apocalyptic number.

1021316003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021316003 is an equidigital number, since it uses as much as digits as its factorization.

1021316003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1021316003 is about 31958.0350303331. The cubic root of 1021316003 is about 1007.0554380558.

Adding to 1021316003 its reverse (3006131201), we get a palindrome (4027447204).

The spelling of 1021316003 in words is "one billion, twenty-one million, three hundred sixteen thousand, three".