431043414121 has 4 divisors (see below), whose sum is σ = 433788913732. Its totient is φ = 428297914512.

The previous prime is 431043414103. The next prime is 431043414169. The reversal of 431043414121 is 121414340134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208670808025 + 222372606096 = 456805^2 + 471564^2 .

It is a cyclic number.

It is not a de Polignac number, because 431043414121 - 2¹³ = 431043405929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431043414121.

It is not an unprimeable number, because it can be changed into a prime (431043417121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372749570 + ... + 1372749883.

It is an arithmetic number, because the mean of its divisors is an integer number (108447228433).

Almost surely, 2^431043414121 is an apocalyptic number.

It is an amenable number.

431043414121 is a deficient number, since it is larger than the sum of its proper divisors (2745499611).

431043414121 is a wasteful number, since it uses less digits than its factorization.

431043414121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745499610.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 431043414121 its reverse (121414340134), we get a palindrome (552457754255).

The spelling of 431043414121 in words is "four hundred thirty-one billion, forty-three million, four hundred fourteen thousand, one hundred twenty-one".