1131032303121 has 16 divisors (see below), whose sum is σ = 1798411613184. Its totient is φ = 618203991504.

The previous prime is 1131032303057. The next prime is 1131032303161. The reversal of 1131032303121 is 1213032301311.

It is a happy number.

It is not a de Polignac number, because 1131032303121 - 2⁶ = 1131032303057 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 (1131032303161) 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, 1170840411 + ... + 1170841376.

It is an arithmetic number, because the mean of its divisors is an integer number (112400725824).

Almost surely, 2^{1131032303121} is an apocalyptic number.

It is an amenable number.

1131032303121 is a deficient number, since it is larger than the sum of its proper divisors (667379310063).

1131032303121 is a wasteful number, since it uses less digits than its factorization.

1131032303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341681820.

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

Adding to 1131032303121 its reverse (1213032301311), we get a palindrome (2344064604432).

The spelling of 1131032303121 in words is "one trillion, one hundred thirty-one billion, thirty-two million, three hundred three thousand, one hundred twenty-one".