243443410431 has 16 divisors (see below), whose sum is σ = 349644091104. Its totient is φ = 149775191424.

The previous prime is 243443410393. The next prime is 243443410433. The reversal of 243443410431 is 134014344342.

It is not a de Polignac number, because 243443410431 - 2⁹ = 243443409919 is a prime.

It is a super-2 number, since 2×243443410431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243443410392 and 243443410401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243443410433) 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, 588676 + ... + 912921.

It is an arithmetic number, because the mean of its divisors is an integer number (21852755694).

Almost surely, 2^243443410431 is an apocalyptic number.

243443410431 is a deficient number, since it is larger than the sum of its proper divisors (106200680673).

243443410431 is a wasteful number, since it uses less digits than its factorization.

243443410431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505770.

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

Adding to 243443410431 its reverse (134014344342), we get a palindrome (377457754773).

The spelling of 243443410431 in words is "two hundred forty-three billion, four hundred forty-three million, four hundred ten thousand, four hundred thirty-one".