2009446031 has 2 divisors, whose sum is σ = 2009446032. Its totient is φ = 2009446030.

The previous prime is 2009446027. The next prime is 2009446057. The reversal of 2009446031 is 1306449002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2009446031 - 2² = 2009446027 is a prime.

It is a super-2 number, since 2×2009446031² = 8075746703003305922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2009445985 and 2009446003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009446091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004723015 + 1004723016.

It is an arithmetic number, because the mean of its divisors is an integer number (1004723016).

Almost surely, 2^2009446031 is an apocalyptic number.

2009446031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009446031 is an equidigital number, since it uses as much as digits as its factorization.

2009446031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2009446031 is about 44826.8449815510. The cubic root of 2009446031 is about 1261.9014775119.

The spelling of 2009446031 in words is "two billion, nine million, four hundred forty-six thousand, thirty-one".