2013312403 has 2 divisors, whose sum is σ = 2013312404. Its totient is φ = 2013312402.

The previous prime is 2013312377. The next prime is 2013312419. The reversal of 2013312403 is 3042133102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013312403 - 2¹³ = 2013304211 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013312493) 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, 1006656201 + 1006656202.

It is an arithmetic number, because the mean of its divisors is an integer number (1006656202).

Almost surely, 2^2013312403 is an apocalyptic number.

2013312403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013312403 is an equidigital number, since it uses as much as digits as its factorization.

2013312403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2013312403 is about 44869.9498885390. The cubic root of 2013312403 is about 1262.7102998759.

Adding to 2013312403 its reverse (3042133102), we get a palindrome (5055445505).

The spelling of 2013312403 in words is "two billion, thirteen million, three hundred twelve thousand, four hundred three".