2231003989 has 4 divisors (see below), whose sum is σ = 2264302624. Its totient is φ = 2197705356.

The previous prime is 2231003987. The next prime is 2231004007. The reversal of 2231003989 is 9893001322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9893001322 = 2 ⋅4946500661.

It is a cyclic number.

It is not a de Polignac number, because 2231003989 - 2¹ = 2231003987 is a prime.

It is a super-3 number, since 3×2231003989³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231003987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16649217 + ... + 16649350.

It is an arithmetic number, because the mean of its divisors is an integer number (566075656).

Almost surely, 2^2231003989 is an apocalyptic number.

It is an amenable number.

2231003989 is a deficient number, since it is larger than the sum of its proper divisors (33298635).

2231003989 is an equidigital number, since it uses as much as digits as its factorization.

2231003989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33298634.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2231003989 is about 47233.5049408786. The cubic root of 2231003989 is about 1306.6725937347.

The spelling of 2231003989 in words is "two billion, two hundred thirty-one million, three thousand, nine hundred eighty-nine".