1113003321 has 4 divisors (see below), whose sum is σ = 1484004432. Its totient is φ = 742002212.

The previous prime is 1113003259. The next prime is 1113003341. The reversal of 1113003321 is 1233003111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1113003321 - 2²⁵ = 1079448889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113003321.

It is not an unprimeable number, because it can be changed into a prime (1113003341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185500551 + ... + 185500556.

It is an arithmetic number, because the mean of its divisors is an integer number (371001108).

Almost surely, 2^1113003321 is an apocalyptic number.

It is an amenable number.

1113003321 is a deficient number, since it is larger than the sum of its proper divisors (371001111).

1113003321 is an equidigital number, since it uses as much as digits as its factorization.

1113003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371001110.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1113003321 is about 33361.7044078986. The cubic root of 1113003321 is about 1036.3317888147.

Adding to 1113003321 its reverse (1233003111), we get a palindrome (2346006432).

The spelling of 1113003321 in words is "one billion, one hundred thirteen million, three thousand, three hundred twenty-one".