214431311121 has 8 divisors (see below), whose sum is σ = 285976488864. Its totient is φ = 142920170400.

The previous prime is 214431311099. The next prime is 214431311131. The reversal of 214431311121 is 121113134412.

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

It is not a de Polignac number, because 214431311121 - 2⁹ = 214431310609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214431311091 and 214431311100.

It is not an unprimeable number, because it can be changed into a prime (214431311131) 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, 8494551 + ... + 8519756.

It is an arithmetic number, because the mean of its divisors is an integer number (35747061108).

Almost surely, 2^214431311121 is an apocalyptic number.

It is an amenable number.

214431311121 is a deficient number, since it is larger than the sum of its proper divisors (71545177743).

214431311121 is a wasteful number, since it uses less digits than its factorization.

214431311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17018511.

The product of its digits is 576, while the sum is 24.

Adding to 214431311121 its reverse (121113134412), we get a palindrome (335544445533).

The spelling of 214431311121 in words is "two hundred fourteen billion, four hundred thirty-one million, three hundred eleven thousand, one hundred twenty-one".