203231232001 has 32 divisors (see below), whose sum is σ = 250911226368. Its totient is φ = 160648842240.

The previous prime is 203231231999. The next prime is 203231232019. The reversal of 203231232001 is 100232132302.

It is a cyclic number.

It is not a de Polignac number, because 203231232001 - 2¹ = 203231231999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203231232001.

It is not an unprimeable number, because it can be changed into a prime (203231232601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1855891 + ... + 1962343.

It is an arithmetic number, because the mean of its divisors is an integer number (7840975824).

Almost surely, 2^203231232001 is an apocalyptic number.

It is an amenable number.

203231232001 is a deficient number, since it is larger than the sum of its proper divisors (47679994367).

203231232001 is a wasteful number, since it uses less digits than its factorization.

203231232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106801.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203231232001 its reverse (100232132302), we get a palindrome (303463364303).

The spelling of 203231232001 in words is "two hundred three billion, two hundred thirty-one million, two hundred thirty-two thousand, one".