1111340321 has 16 divisors (see below), whose sum is σ = 1385126400. Its totient is φ = 868166208.

The previous prime is 1111340299. The next prime is 1111340339. The reversal of 1111340321 is 1230431111.

It is not a de Polignac number, because 1111340321 - 2⁶ = 1111340257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111340321.

It is not an unprimeable number, because it can be changed into a prime (1111340221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70106 + ... + 84483.

It is an arithmetic number, because the mean of its divisors is an integer number (86570400).

Almost surely, 2^1111340321 is an apocalyptic number.

It is an amenable number.

1111340321 is a deficient number, since it is larger than the sum of its proper divisors (273786079).

1111340321 is a wasteful number, since it uses less digits than its factorization.

1111340321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154688.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1111340321 is about 33336.7713043720. The cubic root of 1111340321 is about 1035.8153845962.

Adding to 1111340321 its reverse (1230431111), we get a palindrome (2341771432).

The spelling of 1111340321 in words is "one billion, one hundred eleven million, three hundred forty thousand, three hundred twenty-one".