2231350131205 has 8 divisors (see below), whose sum is σ = 2883590938872. Its totient is φ = 1647766250688.

The previous prime is 2231350131203. The next prime is 2231350131233. The reversal of 2231350131205 is 5021310531322.

It can be written as a sum of positive squares in 4 ways, for example, as 261015744609 + 1970334386596 = 510897^2 + 1403686^2 .

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 2231350131205 - 2¹ = 2231350131203 is a prime.

It is a super-3 number, since 3×2231350131205³ (a number of 38 digits) contains 333 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 (2231350131203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17164231714 + ... + 17164231843.

It is an arithmetic number, because the mean of its divisors is an integer number (360448867359).

Almost surely, 2^{2231350131205} is an apocalyptic number.

It is an amenable number.

2231350131205 is a deficient number, since it is larger than the sum of its proper divisors (652240807667).

2231350131205 is a wasteful number, since it uses less digits than its factorization.

2231350131205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34328463575.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 2231350131205 its reverse (5021310531322), we get a palindrome (7252660662527).

The spelling of 2231350131205 in words is "two trillion, two hundred thirty-one billion, three hundred fifty million, one hundred thirty-one thousand, two hundred five".