1318811326 has 8 divisors (see below), whose sum is σ = 2260819440. Its totient is φ = 565204848.

The previous prime is 1318811311. The next prime is 1318811339. The reversal of 1318811326 is 6231188131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1318811291 and 1318811300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47100391 + ... + 47100418.

It is an arithmetic number, because the mean of its divisors is an integer number (282602430).

Almost surely, 2^1318811326 is an apocalyptic number.

1318811326 is a deficient number, since it is larger than the sum of its proper divisors (942008114).

1318811326 is an equidigital number, since it uses as much as digits as its factorization.

1318811326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94200818.

The product of its digits is 6912, while the sum is 34.

The square root of 1318811326 is about 36315.4419772085. The cubic root of 1318811326 is about 1096.6319365003.

Adding to 1318811326 its reverse (6231188131), we get a palindrome (7549999457).

The spelling of 1318811326 in words is "one billion, three hundred eighteen million, eight hundred eleven thousand, three hundred twenty-six".