243431414403 has 16 divisors (see below), whose sum is σ = 325129129632. Its totient is φ = 162010880000.

The previous prime is 243431414389. The next prime is 243431414419. The reversal of 243431414403 is 304414134342.

It is a cyclic number.

It is not a de Polignac number, because 243431414403 - 2¹⁴ = 243431398019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243431414453) 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, 4492693 + ... + 4546553.

It is an arithmetic number, because the mean of its divisors is an integer number (20320570602).

Almost surely, 2^243431414403 is an apocalyptic number.

243431414403 is a deficient number, since it is larger than the sum of its proper divisors (81697715229).

243431414403 is a wasteful number, since it uses less digits than its factorization.

243431414403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56406.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 243431414403 its reverse (304414134342), we get a palindrome (547845548745).

The spelling of 243431414403 in words is "two hundred forty-three billion, four hundred thirty-one million, four hundred fourteen thousand, four hundred three".