1213310304 has 36 divisors (see below), whose sum is σ = 3450351996. Its totient is φ = 404436672.

The previous prime is 1213310269. The next prime is 1213310321. The reversal of 1213310304 is 4030133121.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2106154 + ... + 2106729.

It is an arithmetic number, because the mean of its divisors is an integer number (95843111).

Almost surely, 2^1213310304 is an apocalyptic number.

It is an amenable number.

1213310304 is an abundant number, since it is smaller than the sum of its proper divisors (2237041692).

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

1213310304 is a wasteful number, since it uses less digits than its factorization.

1213310304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212899 (or 4212888 counting only the distinct ones).

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

The square root of 1213310304 is about 34832.6040370226. The cubic root of 1213310304 is about 1066.5731060299.

Adding to 1213310304 its reverse (4030133121), we get a palindrome (5243443425).

The spelling of 1213310304 in words is "one billion, two hundred thirteen million, three hundred ten thousand, three hundred four".