1203303113 has 2 divisors, whose sum is σ = 1203303114. Its totient is φ = 1203303112.

The previous prime is 1203303097. The next prime is 1203303133. The reversal of 1203303113 is 3113033021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 807014464 + 396288649 = 28408^2 + 19907^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203303113 - 2⁴ = 1203303097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203303091 and 1203303100.

It is not a weakly prime, because it can be changed into another prime (1203303133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601651556 + 601651557.

It is an arithmetic number, because the mean of its divisors is an integer number (601651557).

Almost surely, 2^1203303113 is an apocalyptic number.

It is an amenable number.

1203303113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203303113 is an equidigital number, since it uses as much as digits as its factorization.

1203303113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1203303113 is about 34688.6597175503. The cubic root of 1203303113 is about 1063.6326985272.

Adding to 1203303113 its reverse (3113033021), we get a palindrome (4316336134).

The spelling of 1203303113 in words is "one billion, two hundred three million, three hundred three thousand, one hundred thirteen".