1103203133 has 2 divisors, whose sum is σ = 1103203134. Its totient is φ = 1103203132.

The previous prime is 1103203121. The next prime is 1103203139. The reversal of 1103203133 is 3313023011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 888814969 + 214388164 = 29813^2 + 14642^2 .

It is an emirp because it is prime and its reverse (3313023011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103203133 - 2⁶ = 1103203069 is a prime.

It is a super-2 number, since 2×1103203133² = 2434114305322031378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103203139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551601566 + 551601567.

It is an arithmetic number, because the mean of its divisors is an integer number (551601567).

Almost surely, 2^1103203133 is an apocalyptic number.

It is an amenable number.

1103203133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103203133 is an equidigital number, since it uses as much as digits as its factorization.

1103203133 is an evil number, because the sum of its binary digits is even.

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

The square root of 1103203133 is about 33214.5018478375. The cubic root of 1103203133 is about 1033.2811233998.

Adding to 1103203133 its reverse (3313023011), we get a palindrome (4416226144).

The spelling of 1103203133 in words is "one billion, one hundred three million, two hundred three thousand, one hundred thirty-three".