2003131120 has 40 divisors (see below), whose sum is σ = 4667339664. Its totient is φ = 799521792.

The previous prime is 2003131103. The next prime is 2003131121. The reversal of 2003131120 is 211313002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2003131120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003131121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10552 + ... + 64168.

Almost surely, 2^2003131120 is an apocalyptic number.

2003131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003131120 is an abundant number, since it is smaller than the sum of its proper divisors (2664208544).

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

2003131120 is a wasteful number, since it uses less digits than its factorization.

2003131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54097 (or 54091 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2003131120 is about 44756.3528451548. The cubic root of 2003131120 is about 1260.5782010772.

Adding to 2003131120 its reverse (211313002), we get a palindrome (2214444122).

The spelling of 2003131120 in words is "two billion, three million, one hundred thirty-one thousand, one hundred twenty".