203133045256 has 16 divisors (see below), whose sum is σ = 381523317840. Its totient is φ = 101393493840.

The previous prime is 203133045239. The next prime is 203133045281. The reversal of 203133045256 is 652540331302.

It is a super-2 number, since 2×203133045256² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 21623610 + ... + 21633001.

It is an arithmetic number, because the mean of its divisors is an integer number (23845207365).

Almost surely, 2^203133045256 is an apocalyptic number.

It is an amenable number.

203133045256 is a deficient number, since it is larger than the sum of its proper divisors (178390272584).

203133045256 is a wasteful number, since it uses less digits than its factorization.

203133045256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43257204 (or 43257200 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 203133045256 its reverse (652540331302), we get a palindrome (855673376558).

The spelling of 203133045256 in words is "two hundred three billion, one hundred thirty-three million, forty-five thousand, two hundred fifty-six".