203124311140 has 48 divisors (see below), whose sum is σ = 434128557744. Its totient is φ = 79811827200.

The previous prime is 203124311083. The next prime is 203124311153. The reversal of 203124311140 is 41113421302.

It can be written as a sum of positive squares in 8 ways, for example, as 11027940196 + 192096370944 = 105014^2 + 438288^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813570 + ... + 1033510.

It is an arithmetic number, because the mean of its divisors is an integer number (9044344953).

Almost surely, 2^203124311140 is an apocalyptic number.

203124311140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203124311140 is an abundant number, since it is smaller than the sum of its proper divisors (231004246604).

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

203124311140 is a wasteful number, since it uses less digits than its factorization.

203124311140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220768 (or 220766 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 203124311140 its reverse (41113421302), we get a palindrome (244237732442).

The spelling of 203124311140 in words is "two hundred three billion, one hundred twenty-four million, three hundred eleven thousand, one hundred forty".