1333121232331 has 4 divisors (see below), whose sum is σ = 1523567122672. Its totient is φ = 1142675341992.

The previous prime is 1333121232281. The next prime is 1333121232337. The reversal of 1333121232331 is 1332321213331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1333121232331 - 2¹³ = 1333121224139 is a prime.

It is a super-2 number, since 2×1333121232331² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1333121232331.

It is not an unprimeable number, because it can be changed into a prime (1333121232337) 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 3 ways as a sum of consecutive naturals, for example, 95222945160 + ... + 95222945173.

It is an arithmetic number, because the mean of its divisors is an integer number (380891780668).

Almost surely, 2^{1333121232331} is an apocalyptic number.

1333121232331 is a deficient number, since it is larger than the sum of its proper divisors (190445890341).

1333121232331 is an equidigital number, since it uses as much as digits as its factorization.

1333121232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190445890340.

The product of its digits is 5832, while the sum is 28.

Adding to 1333121232331 its reverse (1332321213331), we get a palindrome (2665442445662).

The spelling of 1333121232331 in words is "one trillion, three hundred thirty-three billion, one hundred twenty-one million, two hundred thirty-two thousand, three hundred thirty-one".