2731321434241 has 3 divisors (see below), whose sum is σ = 2731323086913. Its totient is φ = 2731319781570.

The previous prime is 2731321434221. The next prime is 2731321434301. The reversal of 2731321434241 is 1424341231372.

It is a happy number.

The square root of 2731321434241 is 1652671.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2731321434241 - 2¹³ = 2731321426049 is a prime.

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 2731321434241.

It is not an unprimeable number, because it can be changed into a prime (2731321434221) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 826336 + ... + 2479006.

It is an arithmetic number, because the mean of its divisors is an integer number (910441028971).

Almost surely, 2^{2731321434241} is an apocalyptic number.

2731321434241 is the 1652671-st square number.

2731321434241 is the 826336-th centered octagonal number.

It is an amenable number.

2731321434241 is a deficient number, since it is larger than the sum of its proper divisors (1652672).

2731321434241 is an frugal number, since it uses more digits than its factorization.

2731321434241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305342 (or 1652671 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The spelling of 2731321434241 in words is "two trillion, seven hundred thirty-one billion, three hundred twenty-one million, four hundred thirty-four thousand, two hundred forty-one".