431305989121 has 8 divisors (see below), whose sum is σ = 493191535104. Its totient is φ = 369488044320.

The previous prime is 431305989097. The next prime is 431305989139. The reversal of 431305989121 is 121989503134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431305989121 - 2⁹ = 431305988609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431305989151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16886620 + ... + 16912141.

It is an arithmetic number, because the mean of its divisors is an integer number (61648941888).

Almost surely, 2^431305989121 is an apocalyptic number.

It is an amenable number.

431305989121 is a deficient number, since it is larger than the sum of its proper divisors (61885545983).

431305989121 is a wasteful number, since it uses less digits than its factorization.

431305989121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33800591.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 431305989121 in words is "four hundred thirty-one billion, three hundred five million, nine hundred eighty-nine thousand, one hundred twenty-one".