2231366345 has 16 divisors (see below), whose sum is σ = 2924232192. Its totient is φ = 1624566720.

The previous prime is 2231366339. The next prime is 2231366377. The reversal of 2231366345 is 5436631322.

It is not a de Polignac number, because 2231366345 - 2⁸ = 2231366089 is a prime.

It is a super-3 number, since 3×2231366345³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 237137 + ... + 246366.

It is an arithmetic number, because the mean of its divisors is an integer number (182764512).

Almost surely, 2^2231366345 is an apocalyptic number.

It is an amenable number.

2231366345 is a deficient number, since it is larger than the sum of its proper divisors (692865847).

2231366345 is a wasteful number, since it uses less digits than its factorization.

2231366345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483592.

The product of its digits is 77760, while the sum is 35.

The square root of 2231366345 is about 47237.3405792494. The cubic root of 2231366345 is about 1306.7433324432.

Adding to 2231366345 its reverse (5436631322), we get a palindrome (7667997667).

The spelling of 2231366345 in words is "two billion, two hundred thirty-one million, three hundred sixty-six thousand, three hundred forty-five".