1003203131200 has 84 divisors (see below), whose sum is σ = 2598428188960. Its totient is φ = 380161175040.

The previous prime is 1003203131141. The next prime is 1003203131233. The reversal of 1003203131200 is 21313023001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 16469652 + ... + 16530451.

Almost surely, 2^{1003203131200} is an apocalyptic number.

1003203131200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003203131200 is an abundant number, since it is smaller than the sum of its proper divisors (1595225057760).

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

1003203131200 is a wasteful number, since it uses less digits than its factorization.

1003203131200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33000144 (or 33000129 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1003203131200 its reverse (21313023001), we get a palindrome (1024516154201).

The spelling of 1003203131200 in words is "one trillion, three billion, two hundred three million, one hundred thirty-one thousand, two hundred".