1311472506 has 16 divisors (see below), whose sum is σ = 2641816800. Its totient is φ = 434012208.

The previous prime is 1311472501. The next prime is 1311472507. The reversal of 1311472506 is 6052741131.

It is not an unprimeable number, because it can be changed into a prime (1311472501) 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 7 ways as a sum of consecutive naturals, for example, 785421 + ... + 787088.

It is an arithmetic number, because the mean of its divisors is an integer number (165113550).

Almost surely, 2^1311472506 is an apocalyptic number.

1311472506 is an abundant number, since it is smaller than the sum of its proper divisors (1330344294).

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

1311472506 is a wasteful number, since it uses less digits than its factorization.

1311472506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572653.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1311472506 is about 36214.2583245881. The cubic root of 1311472506 is about 1094.5940005650.

The spelling of 1311472506 in words is "one billion, three hundred eleven million, four hundred seventy-two thousand, five hundred six".