1310143505 has 32 divisors (see below), whose sum is σ = 1839075840. Its totient is φ = 885381120.

The previous prime is 1310143493. The next prime is 1310143519. The reversal of 1310143505 is 5053410131.

It is not a de Polignac number, because 1310143505 - 2⁴ = 1310143489 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 31 ways as a sum of consecutive naturals, for example, 64997 + ... + 82733.

It is an arithmetic number, because the mean of its divisors is an integer number (57471120).

Almost surely, 2^1310143505 is an apocalyptic number.

It is an amenable number.

1310143505 is a deficient number, since it is larger than the sum of its proper divisors (528932335).

1310143505 is a wasteful number, since it uses less digits than its factorization.

1310143505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17849.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1310143505 is about 36195.9045335242. The cubic root of 1310143505 is about 1094.2241343324.

Adding to 1310143505 its reverse (5053410131), we get a palindrome (6363553636).

The spelling of 1310143505 in words is "one billion, three hundred ten million, one hundred forty-three thousand, five hundred five".