1040311345 has 32 divisors (see below), whose sum is σ = 1388016000. Its totient is φ = 744877056.

The previous prime is 1040311343. The next prime is 1040311387. The reversal of 1040311345 is 5431130401.

It is not a de Polignac number, because 1040311345 - 2¹ = 1040311343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040311343) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 162006 + ... + 168304.

It is an arithmetic number, because the mean of its divisors is an integer number (43375500).

Almost surely, 2^1040311345 is an apocalyptic number.

It is an amenable number.

1040311345 is a deficient number, since it is larger than the sum of its proper divisors (347704655).

1040311345 is a wasteful number, since it uses less digits than its factorization.

1040311345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1040311345 is about 32253.8578312735. The cubic root of 1040311345 is about 1013.2604969746.

Adding to 1040311345 its reverse (5431130401), we get a palindrome (6471441746).

The spelling of 1040311345 in words is "one billion, forty million, three hundred eleven thousand, three hundred forty-five".