203883681157 has 8 divisors (see below), whose sum is σ = 225501286136. Its totient is φ = 183113825472.

The previous prime is 203883681143. The next prime is 203883681187. The reversal of 203883681157 is 751186388302.

It is a happy number.

203883681157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 88233355681 + 115650325476 = 297041^2 + 340074^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203883681157 - 2¹⁵ = 203883648389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203883681137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211936818 + ... + 211937779.

It is an arithmetic number, because the mean of its divisors is an integer number (28187660767).

Almost surely, 2^203883681157 is an apocalyptic number.

It is an amenable number.

203883681157 is a deficient number, since it is larger than the sum of its proper divisors (21617604979).

203883681157 is a wasteful number, since it uses less digits than its factorization.

203883681157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423874647.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 203883681157 in words is "two hundred three billion, eight hundred eighty-three million, six hundred eighty-one thousand, one hundred fifty-seven".