203031323140 has 12 divisors (see below), whose sum is σ = 426365778636. Its totient is φ = 81212529248.

The previous prime is 203031323059. The next prime is 203031323141. The reversal of 203031323140 is 41323130302.

203031323140 is digitally balanced in base 3, 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 2 ways, for example, as 54485830084 + 148545493056 = 233422^2 + 385416^2 .

It is not an unprimeable number, because it can be changed into a prime (203031323141) 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, 5075783059 + ... + 5075783098.

It is an arithmetic number, because the mean of its divisors is an integer number (35530481553).

Almost surely, 2^203031323140 is an apocalyptic number.

203031323140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203031323140 is an abundant number, since it is smaller than the sum of its proper divisors (223334455496).

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

203031323140 is a wasteful number, since it uses less digits than its factorization.

203031323140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10151566166 (or 10151566164 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203031323140 its reverse (41323130302), we get a palindrome (244354453442).

The spelling of 203031323140 in words is "two hundred three billion, thirty-one million, three hundred twenty-three thousand, one hundred forty".