431112121 has 8 divisors (see below), whose sum is σ = 471549600. Its totient is φ = 390882240.

The previous prime is 431112119. The next prime is 431112131. The reversal of 431112121 is 121211134.

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 431112121 - 2¹ = 431112119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431112095 and 431112104.

It is not an unprimeable number, because it can be changed into a prime (431112131) 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, 47536 + ... + 55873.

It is an arithmetic number, because the mean of its divisors is an integer number (58943700).

Almost surely, 2^431112121 is an apocalyptic number.

It is an amenable number.

431112121 is a deficient number, since it is larger than the sum of its proper divisors (40437479).

431112121 is a wasteful number, since it uses less digits than its factorization.

431112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103799.

The product of its digits is 48, while the sum is 16.

The square root of 431112121 is about 20763.2396556992. The cubic root of 431112121 is about 755.4343777604.

Adding to 431112121 its reverse (121211134), we get a palindrome (552323255).

The spelling of 431112121 in words is "four hundred thirty-one million, one hundred twelve thousand, one hundred twenty-one".