203000344000401 has 32 divisors (see below), whose sum is σ = 275100966753408. Its totient is φ = 133122552076800.

The previous prime is 203000344000387. The next prime is 203000344000423. The reversal of 203000344000401 is 104000443000302.

It is not a de Polignac number, because 203000344000401 - 2¹⁰ = 203000343999377 is a prime.

It is a super-2 number, since 2×203000344000401² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203000344001401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467309101 + ... + 467743301.

It is an arithmetic number, because the mean of its divisors is an integer number (8596905211044).

Almost surely, 2^{203000344000401} is an apocalyptic number.

It is an amenable number.

203000344000401 is a deficient number, since it is larger than the sum of its proper divisors (72100622753007).

203000344000401 is a wasteful number, since it uses less digits than its factorization.

203000344000401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437601.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 203000344000401 its reverse (104000443000302), we get a palindrome (307000787000703).

The spelling of 203000344000401 in words is "two hundred three trillion, three hundred forty-four million, four hundred one", and thus it is an aban number.