1110231321 has 16 divisors (see below), whose sum is σ = 1577539584. Its totient is φ = 692908304.

The previous prime is 1110231209. The next prime is 1110231337. The reversal of 1110231321 is 1231320111.

It is a happy number.

It is not a de Polignac number, because 1110231321 - 2⁷ = 1110231193 is a prime.

It is a super-2 number, since 2×1110231321² = 2465227172258810082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1110231321.

It is not an unprimeable number, because it can be changed into a prime (1110231341) 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, 167931 + ... + 174416.

It is an arithmetic number, because the mean of its divisors is an integer number (98596224).

Almost surely, 2^1110231321 is an apocalyptic number.

It is an amenable number.

1110231321 is a deficient number, since it is larger than the sum of its proper divisors (467308263).

1110231321 is a wasteful number, since it uses less digits than its factorization.

1110231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342420.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1110231321 is about 33320.1338682785. The cubic root of 1110231321 is about 1035.4707252236.

Adding to 1110231321 its reverse (1231320111), we get a palindrome (2341551432).

The spelling of 1110231321 in words is "one billion, one hundred ten million, two hundred thirty-one thousand, three hundred twenty-one".