203312244401 has 4 divisors (see below), whose sum is σ = 232356850752. Its totient is φ = 174267638052.

The previous prime is 203312244391. The next prime is 203312244431. The reversal of 203312244401 is 104442213302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203312244401 - 2¹⁸ = 203311982257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203312244431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14522303165 + ... + 14522303178.

It is an arithmetic number, because the mean of its divisors is an integer number (58089212688).

Almost surely, 2^203312244401 is an apocalyptic number.

It is an amenable number.

203312244401 is a deficient number, since it is larger than the sum of its proper divisors (29044606351).

203312244401 is an equidigital number, since it uses as much as digits as its factorization.

203312244401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29044606350.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 203312244401 its reverse (104442213302), we get a palindrome (307754457703).

The spelling of 203312244401 in words is "two hundred three billion, three hundred twelve million, two hundred forty-four thousand, four hundred one".