203552254431 has 96 divisors (see below), whose sum is σ = 320332147200. Its totient is φ = 124157214720.

The previous prime is 203552254429. The next prime is 203552254441. The reversal of 203552254431 is 134452255302.

203552254431 is a `hidden beast` number, since 2 + 0 + 35 + 52 + 2 + 544 + 31 = 666.

It is not a de Polignac number, because 203552254431 - 2¹ = 203552254429 is a prime.

It is a super-2 number, since 2×203552254431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203552254441) 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 95 ways as a sum of consecutive naturals, for example, 144465055 + ... + 144466463.

It is an arithmetic number, because the mean of its divisors is an integer number (3336793200).

Almost surely, 2^203552254431 is an apocalyptic number.

203552254431 is a deficient number, since it is larger than the sum of its proper divisors (116779892769).

203552254431 is a wasteful number, since it uses less digits than its factorization.

203552254431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 203552254431 in words is "two hundred three billion, five hundred fifty-two million, two hundred fifty-four thousand, four hundred thirty-one".