1311341300 has 18 divisors (see below), whose sum is σ = 2845610838. Its totient is φ = 524536480.

The previous prime is 1311341293. The next prime is 1311341327. The reversal of 1311341300 is 31431131.

It can be written as a sum of positive squares in 3 ways, for example, as 66945124 + 1244396176 = 8182^2 + 35276^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 6556607 + ... + 6556806.

It is an arithmetic number, because the mean of its divisors is an integer number (158089491).

Almost surely, 2^1311341300 is an apocalyptic number.

1311341300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311341300 is an abundant number, since it is smaller than the sum of its proper divisors (1534269538).

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

1311341300 is a wasteful number, since it uses less digits than its factorization.

1311341300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13113427 (or 13113420 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1311341300 is about 36212.4467552249. The cubic root of 1311341300 is about 1094.5574965362.

Adding to 1311341300 its reverse (31431131), we get a palindrome (1342772431).

It can be divided in two parts, 131 and 1341300, that added together give a palindrome (1341431).

The spelling of 1311341300 in words is "one billion, three hundred eleven million, three hundred forty-one thousand, three hundred".