1113331431321 has 24 divisors (see below), whose sum is σ = 1631686118400. Its totient is φ = 731434457376.

The previous prime is 1113331431307. The next prime is 1113331431347. The reversal of 1113331431321 is 1231341333111.

1113331431321 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 331 + 4 + 3 + 1 + 321 = 666.

It is not a de Polignac number, because 1113331431321 - 2⁶ = 1113331431257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113331431221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3098295 + ... + 3438908.

It is an arithmetic number, because the mean of its divisors is an integer number (67986921600).

Almost surely, 2^{1113331431321} is an apocalyptic number.

It is an amenable number.

1113331431321 is a deficient number, since it is larger than the sum of its proper divisors (518354687079).

1113331431321 is a wasteful number, since it uses less digits than its factorization.

1113331431321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6537485 (or 6537482 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 1113331431321 its reverse (1231341333111), we get a palindrome (2344672764432).

The spelling of 1113331431321 in words is "one trillion, one hundred thirteen billion, three hundred thirty-one million, four hundred thirty-one thousand, three hundred twenty-one".