203131344304 has 20 divisors (see below), whose sum is σ = 449790834064. Its totient is φ = 87056290368.

The previous prime is 203131344287. The next prime is 203131344331. The reversal of 203131344304 is 403443131302.

203131344304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×203131344304³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 906836247 + ... + 906836470.

Almost surely, 2^203131344304 is an apocalyptic number.

It is an amenable number.

203131344304 is an abundant number, since it is smaller than the sum of its proper divisors (246659489760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203131344304 is a wasteful number, since it uses less digits than its factorization.

203131344304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813672732 (or 1813672726 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203131344304 its reverse (403443131302), we get a palindrome (606574475606).

The spelling of 203131344304 in words is "two hundred three billion, one hundred thirty-one million, three hundred forty-four thousand, three hundred four".