7133232312181 has 8 divisors (see below), whose sum is σ = 7156574825400. Its totient is φ = 7109915467200.

The previous prime is 7133232312163. The next prime is 7133232312211. The reversal of 7133232312181 is 1812132323317.

It can be written as a sum of positive squares in 4 ways, for example, as 27542389681 + 7105689922500 = 165959^2 + 2665650^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7133232312181 - 2¹¹ = 7133232310133 is a prime.

It is a super-2 number, since 2×7133232312181² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7133232312181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7133232312131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5860270 + ... + 6972031.

It is an arithmetic number, because the mean of its divisors is an integer number (894571853175).

Almost surely, 2^{7133232312181} is an apocalyptic number.

It is an amenable number.

7133232312181 is a deficient number, since it is larger than the sum of its proper divisors (23342513219).

7133232312181 is a wasteful number, since it uses less digits than its factorization.

7133232312181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12834119.

The product of its digits is 36288, while the sum is 37.

Adding to 7133232312181 its reverse (1812132323317), we get a palindrome (8945364635498).

The spelling of 7133232312181 in words is "seven trillion, one hundred thirty-three billion, two hundred thirty-two million, three hundred twelve thousand, one hundred eighty-one".