1031304 has 32 divisors (see below), whose sum is σ = 2610720. Its totient is φ = 339456.

The previous prime is 1031299. The next prime is 1031309. The reversal of 1031304 is 4031301.

It is an interprime number because it is at equal distance from previous prime (1031299) and next prime (1031309).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1031304.

It is not an unprimeable number, because it can be changed into a prime (1031309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (81585).

2^1031304 is an apocalyptic number.

It is an amenable number.

1031304 is an abundant number, since it is smaller than the sum of its proper divisors (1579416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031304 is a wasteful number, since it uses less digits than its factorization.

1031304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1031304 is about 1015.5313879935. The cubic root of 1031304 is about 101.0327639350.

Adding to 1031304 its reverse (4031301), we get a palindrome (5062605).

The spelling of 1031304 in words is "one million, thirty-one thousand, three hundred four".