2331524221161 has 32 divisors (see below), whose sum is σ = 3177440028672. Its totient is φ = 1520358405120.

The previous prime is 2331524221151. The next prime is 2331524221193. The reversal of 2331524221161 is 1611224251332.

2331524221161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2331524221161 is a prime.

It is a super-3 number, since 3×2331524221161³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2331524221151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152668956 + ... + 152684226.

It is an arithmetic number, because the mean of its divisors is an integer number (99295000896).

Almost surely, 2^{2331524221161} is an apocalyptic number.

It is an amenable number.

2331524221161 is a deficient number, since it is larger than the sum of its proper divisors (845915807511).

2331524221161 is a wasteful number, since it uses less digits than its factorization.

2331524221161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21413.

The product of its digits is 17280, while the sum is 33.

Adding to 2331524221161 its reverse (1611224251332), we get a palindrome (3942748472493).

The spelling of 2331524221161 in words is "two trillion, three hundred thirty-one billion, five hundred twenty-four million, two hundred twenty-one thousand, one hundred sixty-one".