1031344385 has 16 divisors (see below), whose sum is σ = 1259919360. Its totient is φ = 810248640.

The previous prime is 1031344361. The next prime is 1031344393. The reversal of 1031344385 is 5834431301.

It is not a de Polignac number, because 1031344385 - 2¹⁶ = 1031278849 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216944 + ... + 221646.

It is an arithmetic number, because the mean of its divisors is an integer number (78744960).

Almost surely, 2^1031344385 is an apocalyptic number.

It is an amenable number.

1031344385 is a deficient number, since it is larger than the sum of its proper divisors (228574975).

1031344385 is an equidigital number, since it uses as much as digits as its factorization.

1031344385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1031344385 is about 32114.5509854957. The cubic root of 1031344385 is about 1010.3408270386.

Adding to 1031344385 its reverse (5834431301), we get a palindrome (6865775686).

The spelling of 1031344385 in words is "one billion, thirty-one million, three hundred forty-four thousand, three hundred eighty-five".