1103213304 has 128 divisors (see below), whose sum is σ = 3149352000. Its totient is φ = 357696000.

The previous prime is 1103213291. The next prime is 1103213311. The reversal of 1103213304 is 4033123011.

1103213304 is a `hidden beast` number, since 1 + 10 + 321 + 330 + 4 = 666.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1330362 + ... + 1331190.

Almost surely, 2^1103213304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103213304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574676000).

1103213304 is an abundant number, since it is smaller than the sum of its proper divisors (2046138696).

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

1103213304 is a wasteful number, since it uses less digits than its factorization.

1103213304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 996 counting only the distinct ones).

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

The square root of 1103213304 is about 33214.6549583162. The cubic root of 1103213304 is about 1033.2842988410.

Adding to 1103213304 its reverse (4033123011), we get a palindrome (5136336315).

It can be divided in two parts, 11032 and 13304, that added together give a square (24336 = 156²).

The spelling of 1103213304 in words is "one billion, one hundred three million, two hundred thirteen thousand, three hundred four".