1310811338 has 16 divisors (see below), whose sum is σ = 1973811456. Its totient is φ = 652879920.

The previous prime is 1310811289. The next prime is 1310811361. The reversal of 1310811338 is 8331180131.

It is a self number, because there is not a number n which added to its sum of digits gives 1310811338.

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 7 ways as a sum of consecutive naturals, for example, 954020 + ... + 955392.

It is an arithmetic number, because the mean of its divisors is an integer number (123363216).

Almost surely, 2^1310811338 is an apocalyptic number.

1310811338 is a deficient number, since it is larger than the sum of its proper divisors (663000118).

1310811338 is a wasteful number, since it uses less digits than its factorization.

1310811338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1310811338 is about 36205.1286146038. The cubic root of 1310811338 is about 1094.4100261457.

Adding to 1310811338 its reverse (8331180131), we get a palindrome (9641991469).

The spelling of 1310811338 in words is "one billion, three hundred ten million, eight hundred eleven thousand, three hundred thirty-eight".