1311101300 has 18 divisors (see below), whose sum is σ = 2845090038. Its totient is φ = 524440480.

The previous prime is 1311101299. The next prime is 1311101329. The reversal of 1311101300 is 31011131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 247558756 + 1063542544 = 15734^2 + 32612^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6555407 + ... + 6555606.

Almost surely, 2^1311101300 is an apocalyptic number.

1311101300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311101300 is an abundant number, since it is smaller than the sum of its proper divisors (1533988738).

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

1311101300 is a wasteful number, since it uses less digits than its factorization.

1311101300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111027 (or 13111020 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1311101300 is about 36209.1328258493. The cubic root of 1311101300 is about 1094.4907176265.

Adding to 1311101300 its reverse (31011131), we get a palindrome (1342112431).

The spelling of 1311101300 in words is "one billion, three hundred eleven million, one hundred one thousand, three hundred".