203131133210001 has 32 divisors (see below), whose sum is σ = 272854683629568. Its totient is φ = 134416369045440.

The previous prime is 203131133209969. The next prime is 203131133210017. The reversal of 203131133210001 is 100012331131302.

It is a happy number.

It is not a de Polignac number, because 203131133210001 - 2⁵ = 203131133209969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203131133210001.

It is not an unprimeable number, because it can be changed into a prime (203131133218001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2535580936 + ... + 2535661046.

It is an arithmetic number, because the mean of its divisors is an integer number (8526708863424).

Almost surely, 2^{203131133210001} is an apocalyptic number.

It is an amenable number.

203131133210001 is a deficient number, since it is larger than the sum of its proper divisors (69723550419567).

203131133210001 is a wasteful number, since it uses less digits than its factorization.

203131133210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86901.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 203131133210001 its reverse (100012331131302), we get a palindrome (303143464341303).

The spelling of 203131133210001 in words is "two hundred three trillion, one hundred thirty-one billion, one hundred thirty-three million, two hundred ten thousand, one".