2203231987 has 8 divisors (see below), whose sum is σ = 2405496240. Its totient is φ = 2001296160.

The previous prime is 2203231967. The next prime is 2203231991. The reversal of 2203231987 is 7891323022.

2203231987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2203231987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203231967) 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, 67968 + ... + 95005.

It is an arithmetic number, because the mean of its divisors is an integer number (300687030).

Almost surely, 2^2203231987 is an apocalyptic number.

2203231987 is a deficient number, since it is larger than the sum of its proper divisors (202264253).

2203231987 is a wasteful number, since it uses less digits than its factorization.

2203231987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164213.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2203231987 is about 46938.5980510709. The cubic root of 2203231987 is about 1301.2280283509.

The spelling of 2203231987 in words is "two billion, two hundred three million, two hundred thirty-one thousand, nine hundred eighty-seven".