2013120203 has 2 divisors, whose sum is σ = 2013120204. Its totient is φ = 2013120202.

The previous prime is 2013120163. The next prime is 2013120223. The reversal of 2013120203 is 3020213102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013120203 - 2⁶ = 2013120139 is a prime.

It is a super-2 number, since 2×2013120203² = 8105305903453522418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2013120223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006560101 + 1006560102.

It is an arithmetic number, because the mean of its divisors is an integer number (1006560102).

Almost surely, 2^2013120203 is an apocalyptic number.

2013120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013120203 is an equidigital number, since it uses as much as digits as its factorization.

2013120203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2013120203 is about 44867.8080922169. The cubic root of 2013120203 is about 1262.6701172325.

Adding to 2013120203 its reverse (3020213102), we get a palindrome (5033333305).

The spelling of 2013120203 in words is "two billion, thirteen million, one hundred twenty thousand, two hundred three".