2013231996 has 30 divisors (see below), whose sum is σ = 5262986960. Its totient is φ = 671077224.

The previous prime is 2013231989. The next prime is 2013232019. The reversal of 2013231996 is 6991323102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2013231996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3106516 + ... + 3107163.

Almost surely, 2^2013231996 is an apocalyptic number.

It is an amenable number.

2013231996 is an abundant number, since it is smaller than the sum of its proper divisors (3249754964).

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

2013231996 is a wasteful number, since it uses less digits than its factorization.

2013231996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213695 (or 6213684 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2013231996 is about 44869.0538790378. The cubic root of 2013231996 is about 1262.6934897510.

The spelling of 2013231996 in words is "two billion, thirteen million, two hundred thirty-one thousand, nine hundred ninety-six".