431004420440243 has 32 divisors (see below), whose sum is σ = 480377771596800. Its totient is φ = 384203321873280.

The previous prime is 431004420440189. The next prime is 431004420440257. The reversal of 431004420440243 is 342044024400134.

It is not a de Polignac number, because 431004420440243 - 2³⁶ = 430935700963507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431004420442243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21948080 + ... + 36656882.

It is an arithmetic number, because the mean of its divisors is an integer number (15011805362400).

Almost surely, 2^{431004420440243} is an apocalyptic number.

431004420440243 is a deficient number, since it is larger than the sum of its proper divisors (49373351156557).

431004420440243 is a wasteful number, since it uses less digits than its factorization.

431004420440243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14709539.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 431004420440243 its reverse (342044024400134), we get a palindrome (773048444840377).

The spelling of 431004420440243 in words is "four hundred thirty-one trillion, four billion, four hundred twenty million, four hundred forty thousand, two hundred forty-three".