2321533141 has 4 divisors (see below), whose sum is σ = 2458093932. Its totient is φ = 2184972352.

The previous prime is 2321533139. The next prime is 2321533147. The reversal of 2321533141 is 1413351232.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1635878916 + 685654225 = 40446^2 + 26185^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321533141 - 2¹ = 2321533139 is a prime.

It is a super-2 number, since 2×2321533141² = 10779032249522651762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321533147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68280370 + ... + 68280403.

It is an arithmetic number, because the mean of its divisors is an integer number (614523483).

Almost surely, 2^2321533141 is an apocalyptic number.

It is an amenable number.

2321533141 is a deficient number, since it is larger than the sum of its proper divisors (136560791).

2321533141 is a wasteful number, since it uses less digits than its factorization.

2321533141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136560790.

The product of its digits is 2160, while the sum is 25.

The square root of 2321533141 is about 48182.2907404785. The cubic root of 2321533141 is about 1324.1127352414.

Adding to 2321533141 its reverse (1413351232), we get a palindrome (3734884373).

The spelling of 2321533141 in words is "two billion, three hundred twenty-one million, five hundred thirty-three thousand, one hundred forty-one".