431313660121 has 8 divisors (see below), whose sum is σ = 438638601600. Its totient is φ = 423989203440.

The previous prime is 431313660109. The next prime is 431313660137. The reversal of 431313660121 is 121066313134.

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 431313660121 - 2¹¹ = 431313658073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431313660161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979835 + ... + 2186863.

It is an arithmetic number, because the mean of its divisors is an integer number (54829825200).

Almost surely, 2^431313660121 is an apocalyptic number.

It is an amenable number.

431313660121 is a deficient number, since it is larger than the sum of its proper divisors (7324941479).

431313660121 is a wasteful number, since it uses less digits than its factorization.

431313660121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242399.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 431313660121 its reverse (121066313134), we get a palindrome (552379973255).

The spelling of 431313660121 in words is "four hundred thirty-one billion, three hundred thirteen million, six hundred sixty thousand, one hundred twenty-one".