1031604609 has 8 divisors (see below), whose sum is σ = 1571968960. Its totient is φ = 589488336.

The previous prime is 1031604599. The next prime is 1031604619. The reversal of 1031604609 is 9064061301.

1031604609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1031604599) and next prime (1031604619).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1031604609 - 2⁹ = 1031604097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031604619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24561994 + ... + 24562035.

It is an arithmetic number, because the mean of its divisors is an integer number (196496120).

Almost surely, 2^1031604609 is an apocalyptic number.

It is an amenable number.

1031604609 is a deficient number, since it is larger than the sum of its proper divisors (540364351).

1031604609 is an equidigital number, since it uses as much as digits as its factorization.

1031604609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49124039.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1031604609 is about 32118.6022267470. The cubic root of 1031604609 is about 1010.4257947196.

The spelling of 1031604609 in words is "one billion, thirty-one million, six hundred four thousand, six hundred nine".