2331771133261 has 16 divisors (see below), whose sum is σ = 2350282032000. Its totient is φ = 2313323299008.

The previous prime is 2331771133259. The next prime is 2331771133361. The reversal of 2331771133261 is 1623311771332.

It is a cyclic number.

It is not a de Polignac number, because 2331771133261 - 2¹ = 2331771133259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331771133231) 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 15 ways as a sum of consecutive naturals, for example, 178851435 + ... + 178864471.

It is an arithmetic number, because the mean of its divisors is an integer number (146892627000).

Almost surely, 2^{2331771133261} is an apocalyptic number.

It is an amenable number.

2331771133261 is a deficient number, since it is larger than the sum of its proper divisors (18510898739).

2331771133261 is a wasteful number, since it uses less digits than its factorization.

2331771133261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15348.

The product of its digits is 95256, while the sum is 40.

The spelling of 2331771133261 in words is "two trillion, three hundred thirty-one billion, seven hundred seventy-one million, one hundred thirty-three thousand, two hundred sixty-one".