1031304423 has 16 divisors (see below), whose sum is σ = 1387702400. Its totient is φ = 681247584.

The previous prime is 1031304403. The next prime is 1031304431. The reversal of 1031304423 is 3244031301.

It is not a de Polignac number, because 1031304423 - 2¹⁸ = 1031042279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031304423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031304403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167640 + ... + 173682.

It is an arithmetic number, because the mean of its divisors is an integer number (86731400).

Almost surely, 2^1031304423 is an apocalyptic number.

1031304423 is a deficient number, since it is larger than the sum of its proper divisors (356397977).

1031304423 is a wasteful number, since it uses less digits than its factorization.

1031304423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1031304423 is about 32113.9288004442. The cubic root of 1031304423 is about 1010.3277774818.

Adding to 1031304423 its reverse (3244031301), we get a palindrome (4275335724).

The spelling of 1031304423 in words is "one billion, thirty-one million, three hundred four thousand, four hundred twenty-three".