111030031321 has 32 divisors (see below), whose sum is σ = 136029611520. Its totient is φ = 89311622400.

The previous prime is 111030031319. The next prime is 111030031361. The reversal of 111030031321 is 123130030111.

It is not a de Polignac number, because 111030031321 - 2¹ = 111030031319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111030031295 and 111030031304.

It is not an unprimeable number, because it can be changed into a prime (111030031361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346170 + ... + 584716.

It is an arithmetic number, because the mean of its divisors is an integer number (4250925360).

Almost surely, 2^111030031321 is an apocalyptic number.

111030031321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111030031321 is a deficient number, since it is larger than the sum of its proper divisors (24999580199).

111030031321 is a wasteful number, since it uses less digits than its factorization.

111030031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238725.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 111030031321 its reverse (123130030111), we get a palindrome (234160061432).

The spelling of 111030031321 in words is "one hundred eleven billion, thirty million, thirty-one thousand, three hundred twenty-one".