1003012013 has 2 divisors, whose sum is σ = 1003012014. Its totient is φ = 1003012012.

The previous prime is 1003011983. The next prime is 1003012027. The reversal of 1003012013 is 3102103001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 953759689 + 49252324 = 30883^2 + 7018^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003012013 - 2⁶ = 1003011949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1003011985 and 1003012003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003012063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501506006 + 501506007.

It is an arithmetic number, because the mean of its divisors is an integer number (501506007).

Almost surely, 2^1003012013 is an apocalyptic number.

It is an amenable number.

1003012013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003012013 is an equidigital number, since it uses as much as digits as its factorization.

1003012013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1003012013 is about 31670.3649015922. The cubic root of 1003012013 is about 1001.0029979920.

Adding to 1003012013 its reverse (3102103001), we get a palindrome (4105115014).

The spelling of 1003012013 in words is "one billion, three million, twelve thousand, thirteen".