3031428809 has 2 divisors, whose sum is σ = 3031428810. Its totient is φ = 3031428808.

The previous prime is 3031428793. The next prime is 3031428811. The reversal of 3031428809 is 9088241303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1798014409 + 1233414400 = 42403^2 + 35120^2 .

It is a cyclic number.

It is not a de Polignac number, because 3031428809 - 2⁴ = 3031428793 is a prime.

Together with 3031428811, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3031428859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515714404 + 1515714405.

It is an arithmetic number, because the mean of its divisors is an integer number (1515714405).

Almost surely, 2^3031428809 is an apocalyptic number.

It is an amenable number.

3031428809 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031428809 is an equidigital number, since it uses as much as digits as its factorization.

3031428809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3031428809 is about 55058.4126996048. The cubic root of 3031428809 is about 1447.2685493142.

The spelling of 3031428809 in words is "three billion, thirty-one million, four hundred twenty-eight thousand, eight hundred nine".