203142031000 has 32 divisors (see below), whose sum is σ = 475352354880. Its totient is φ = 81256812000.

The previous prime is 203142030983. The next prime is 203142031007. The reversal of 203142031000 is 130241302.

It is a happy number.

203142031000 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203142031000² (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 (203142031007) 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, 101570016 + ... + 101572015.

It is an arithmetic number, because the mean of its divisors is an integer number (14854761090).

Almost surely, 2^203142031000 is an apocalyptic number.

203142031000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203142031000 is an abundant number, since it is smaller than the sum of its proper divisors (272210323880).

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

203142031000 is a wasteful number, since it uses less digits than its factorization.

203142031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203142052 (or 203142038 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 203142031000 its reverse (130241302), we get a palindrome (203272272302).

The spelling of 203142031000 in words is "two hundred three billion, one hundred forty-two million, thirty-one thousand".