2289031 has 2 divisors, whose sum is σ = 2289032. Its totient is φ = 2289030.

The previous prime is 2289013. The next prime is 2289037. The reversal of 2289031 is 1309822.

Together with previous prime (2289013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2289031 - 2¹¹ = 2286983 is a prime.

It is a super-2 number, since 2×2289031² = 10479325837922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2288987 and 2289005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2289037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144515 + 1144516.

It is an arithmetic number, because the mean of its divisors is an integer number (1144516).

2^2289031 is an apocalyptic number.

2289031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289031 is an equidigital number, since it uses as much as digits as its factorization.

2289031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2289031 is about 1512.9543945539. The cubic root of 2289031 is about 131.7904349915.

The spelling of 2289031 in words is "two million, two hundred eighty-nine thousand, thirty-one".