1328311210 has 16 divisors (see below), whose sum is σ = 2415611016. Its totient is φ = 525846528.

The previous prime is 1328311199. The next prime is 1328311267. The reversal of 1328311210 is 121138231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 681575449 + 646735761 = 26107^2 + 25431^2 .

It is a super-2 number, since 2×1328311210² = 3528821341223328200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683727 + ... + 685666.

Almost surely, 2^1328311210 is an apocalyptic number.

1328311210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328311210 is a deficient number, since it is larger than the sum of its proper divisors (1087299806).

1328311210 is a wasteful number, since it uses less digits than its factorization.

1328311210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369497.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1328311210 is about 36446.0040333642. The cubic root of 1328311210 is about 1099.2587871622.

Adding to 1328311210 its reverse (121138231), we get a palindrome (1449449441).

The spelling of 1328311210 in words is "one billion, three hundred twenty-eight million, three hundred eleven thousand, two hundred ten".