11130230321 has 4 divisors (see below), whose sum is σ = 12720263232. Its totient is φ = 9540197412.

The previous prime is 11130230299. The next prime is 11130230323. The reversal of 11130230321 is 12303203111.

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 11130230321 - 2⁶ = 11130230257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11130230321.

It is not an unprimeable number, because it can be changed into a prime (11130230323) 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, 795016445 + ... + 795016458.

It is an arithmetic number, because the mean of its divisors is an integer number (3180065808).

Almost surely, 2^11130230321 is an apocalyptic number.

It is an amenable number.

11130230321 is a deficient number, since it is larger than the sum of its proper divisors (1590032911).

11130230321 is an equidigital number, since it uses as much as digits as its factorization.

11130230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590032910.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11130230321 its reverse (12303203111), we get a palindrome (23433433432).

The spelling of 11130230321 in words is "eleven billion, one hundred thirty million, two hundred thirty thousand, three hundred twenty-one".