1213341300 has 54 divisors (see below), whose sum is σ = 3803153718. Its totient is φ = 323557440.

The previous prime is 1213341263. The next prime is 1213341307. The reversal of 1213341300 is 31433121.

1213341300 is a `hidden beast` number, since 1 + 21 + 3 + 341 + 300 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 107246736 + 1106094564 = 10356^2 + 33258^2 .

It is a super-2 number, since 2×1213341300² = 2944394220571380000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213341307) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 673179 + ... + 674978.

Almost surely, 2^1213341300 is an apocalyptic number.

1213341300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213341300 is an abundant number, since it is smaller than the sum of its proper divisors (2589812418).

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

1213341300 is a wasteful number, since it uses less digits than its factorization.

1213341300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348177 (or 1348167 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1213341300 is about 34833.0489621566. The cubic root of 1213341300 is about 1066.5821884051.

Adding to 1213341300 its reverse (31433121), we get a palindrome (1244774421).

The spelling of 1213341300 in words is "one billion, two hundred thirteen million, three hundred forty-one thousand, three hundred".