2031606943 has 2 divisors, whose sum is σ = 2031606944. Its totient is φ = 2031606942.

The previous prime is 2031606923. The next prime is 2031606953. The reversal of 2031606943 is 3496061302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031606943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031606899 and 2031606908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031606923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015803471 + 1015803472.

It is an arithmetic number, because the mean of its divisors is an integer number (1015803472).

Almost surely, 2^2031606943 is an apocalyptic number.

2031606943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031606943 is an equidigital number, since it uses as much as digits as its factorization.

2031606943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 2031606943 is about 45073.3506963927. The cubic root of 2031606943 is about 1266.5234330267.

The spelling of 2031606943 in words is "two billion, thirty-one million, six hundred six thousand, nine hundred forty-three".