2203781013 has 80 divisors (see below), whose sum is σ = 3919703040. Its totient is φ = 1207643904.

The previous prime is 2203780993. The next prime is 2203781017. The reversal of 2203781013 is 3101873022.

It is not a de Polignac number, because 2203781013 - 2⁵ = 2203780981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203781017) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1530748 + ... + 1532186.

It is an arithmetic number, because the mean of its divisors is an integer number (48996288).

Almost surely, 2^2203781013 is an apocalyptic number.

It is an amenable number.

2203781013 is a deficient number, since it is larger than the sum of its proper divisors (1715922027).

2203781013 is a wasteful number, since it uses less digits than its factorization.

2203781013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2203781013 is about 46944.4460293228. The cubic root of 2203781013 is about 1301.3361042277.

The spelling of 2203781013 in words is "two billion, two hundred three million, seven hundred eighty-one thousand, thirteen".