203103333011 has 24 divisors (see below), whose sum is σ = 216569687040. Its totient is φ = 190434435200.

The previous prime is 203103333001. The next prime is 203103333049. The reversal of 203103333011 is 110333301302.

It is a de Polignac number, because none of the positive numbers 2^k-203103333011 is a prime.

It is a super-2 number, since 2×203103333011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203103333001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134415746 + ... + 134417256.

It is an arithmetic number, because the mean of its divisors is an integer number (9023736960).

Almost surely, 2^203103333011 is an apocalyptic number.

203103333011 is a deficient number, since it is larger than the sum of its proper divisors (13466354029).

203103333011 is a wasteful number, since it uses less digits than its factorization.

203103333011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 203103333011 its reverse (110333301302), we get a palindrome (313436634313).

The spelling of 203103333011 in words is "two hundred three billion, one hundred three million, three hundred thirty-three thousand, eleven".