243320225413 has 16 divisors (see below), whose sum is σ = 247190711040. Its totient is φ = 239477268096.

The previous prime is 243320225347. The next prime is 243320225417. The reversal of 243320225413 is 314522023342.

It is a cyclic number.

It is not a de Polignac number, because 243320225413 - 2³⁷ = 105881271941 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 (243320225417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20504920 + ... + 20516782.

It is an arithmetic number, because the mean of its divisors is an integer number (15449419440).

Almost surely, 2^243320225413 is an apocalyptic number.

It is an amenable number.

243320225413 is a deficient number, since it is larger than the sum of its proper divisors (3870485627).

243320225413 is a wasteful number, since it uses less digits than its factorization.

243320225413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12996.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 243320225413 its reverse (314522023342), we get a palindrome (557842248755).

The spelling of 243320225413 in words is "two hundred forty-three billion, three hundred twenty million, two hundred twenty-five thousand, four hundred thirteen".