2003131031320 has 64 divisors (see below), whose sum is σ = 4569034327200. Its totient is φ = 790297466880.

The previous prime is 2003131031309. The next prime is 2003131031353. The reversal of 2003131031320 is 231301313002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41761 + ... + 2002000.

Almost surely, 2^{2003131031320} is an apocalyptic number.

2003131031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003131031320 is an abundant number, since it is smaller than the sum of its proper divisors (2565903295880).

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

2003131031320 is a wasteful number, since it uses less digits than its factorization.

2003131031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044108 (or 2044104 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 2003131031320 its reverse (231301313002), we get a palindrome (2234432344322).

The spelling of 2003131031320 in words is "two trillion, three billion, one hundred thirty-one million, thirty-one thousand, three hundred twenty".