11332131321 has 16 divisors (see below), whose sum is σ = 17863459200. Its totient is φ = 6252210048.

The previous prime is 11332131311. The next prime is 11332131323. The reversal of 11332131321 is 12313123311.

It is a happy number.

It is not a de Polignac number, because 11332131321 - 2¹⁰ = 11332130297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11332131323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9303276 + ... + 9304493.

It is an arithmetic number, because the mean of its divisors is an integer number (1116466200).

Almost surely, 2^11332131321 is an apocalyptic number.

It is an amenable number.

11332131321 is a deficient number, since it is larger than the sum of its proper divisors (6531327879).

11332131321 is a wasteful number, since it uses less digits than its factorization.

11332131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18607808.

The product of its digits is 324, while the sum is 21.

Adding to 11332131321 its reverse (12313123311), we get a palindrome (23645254632).

The spelling of 11332131321 in words is "eleven billion, three hundred thirty-two million, one hundred thirty-one thousand, three hundred twenty-one".