31366552342225 has 27 divisors (see below), whose sum is σ = 39052144465243. Its totient is φ = 24991960894640.

The previous prime is 31366552342207. The next prime is 31366552342253. The reversal of 31366552342225 is 52224325566313.

The square root of 31366552342225 is 5600585.

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

It can be written as a sum of positive squares in only one way, i.e., 11291958843201 + 20074593499024 = 3360351^2 + 4480468^2 .

It is not a de Polignac number, because 31366552342225 - 2¹¹ = 31366552340177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7364767146 + ... + 7364771404.

Almost surely, 2^{31366552342225} is an apocalyptic number.

31366552342225 is the 5600585-th square number.

31366552342225 is the 2800293-rd centered octagonal number.

It is an amenable number.

31366552342225 is a deficient number, since it is larger than the sum of its proper divisors (7685592123018).

31366552342225 is an frugal number, since it uses more digits than its factorization.

31366552342225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054 (or 4527 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 49.

The spelling of 31366552342225 in words is "thirty-one trillion, three hundred sixty-six billion, five hundred fifty-two million, three hundred forty-two thousand, two hundred twenty-five".