431053121 has 4 divisors (see below), whose sum is σ = 440224512. Its totient is φ = 421881732.

The previous prime is 431053099. The next prime is 431053123. The reversal of 431053121 is 121350134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431053121 - 2¹⁴ = 431036737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431053093 and 431053102.

It is not an unprimeable number, because it can be changed into a prime (431053123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4585625 + ... + 4585718.

It is an arithmetic number, because the mean of its divisors is an integer number (110056128).

Almost surely, 2^431053121 is an apocalyptic number.

It is an amenable number.

431053121 is a deficient number, since it is larger than the sum of its proper divisors (9171391).

431053121 is an equidigital number, since it uses as much as digits as its factorization.

431053121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171390.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 431053121 is about 20761.8188268755. The cubic root of 431053121 is about 755.3999144430.

The spelling of 431053121 in words is "four hundred thirty-one million, fifty-three thousand, one hundred twenty-one".