243431413320 has 32 divisors (see below), whose sum is σ = 730294240320. Its totient is φ = 64915043520.

The previous prime is 243431413307. The next prime is 243431413333. The reversal of 243431413320 is 23314134342.

It is a happy number.

243431413320 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243431413307) and next prime (243431413333).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014297436 + ... + 1014297675.

It is an arithmetic number, because the mean of its divisors is an integer number (22821695010).

Almost surely, 2^243431413320 is an apocalyptic number.

243431413320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243431413320 is an abundant number, since it is smaller than the sum of its proper divisors (486862827000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243431413320 is a wasteful number, since it uses less digits than its factorization.

243431413320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028595125 (or 2028595121 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 243431413320 its reverse (23314134342), we get a palindrome (266745547662).

The spelling of 243431413320 in words is "two hundred forty-three billion, four hundred thirty-one million, four hundred thirteen thousand, three hundred twenty".