2290031 has 2 divisors, whose sum is σ = 2290032. Its totient is φ = 2290030.

The previous prime is 2290021. The next prime is 2290033. The reversal of 2290031 is 1300922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2290031 is a prime.

It is a super-2 number, since 2×2290031² = 10488483961922, which contains 22 as substring.

Together with 2290033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2289991 and 2290009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2290033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145015 + 1145016.

It is an arithmetic number, because the mean of its divisors is an integer number (1145016).

2^2290031 is an apocalyptic number.

2290031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290031 is an equidigital number, since it uses as much as digits as its factorization.

2290031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2290031 is about 1513.2848376958. The cubic root of 2290031 is about 131.8096237877.

Adding to 2290031 its reverse (1300922), we get a palindrome (3590953).

The spelling of 2290031 in words is "two million, two hundred ninety thousand, thirty-one".