2013031100 has 36 divisors (see below), whose sum is σ = 4371204600. Its totient is φ = 804672960.

The previous prime is 2013031087. The next prime is 2013031117. The reversal of 2013031100 is 11303102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165011 + ... + 176789.

It is an arithmetic number, because the mean of its divisors is an integer number (121422350).

Almost surely, 2^2013031100 is an apocalyptic number.

2013031100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013031100 is an abundant number, since it is smaller than the sum of its proper divisors (2358173500).

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

2013031100 is a wasteful number, since it uses less digits than its factorization.

2013031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13502 (or 13495 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2013031100 is about 44866.8151310075. The cubic root of 2013031100 is about 1262.6514878837.

Adding to 2013031100 its reverse (11303102), we get a palindrome (2024334202).

The spelling of 2013031100 in words is "two billion, thirteen million, thirty-one thousand, one hundred".