431713121 has 8 divisors (see below), whose sum is σ = 493543680. Its totient is φ = 369921888.

The previous prime is 431713091. The next prime is 431713127. The reversal of 431713121 is 121317134.

It is a happy number.

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

It is not a de Polignac number, because 431713121 - 2¹⁰ = 431712097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431713127) 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, 19565 + ... + 35301.

It is an arithmetic number, because the mean of its divisors is an integer number (61692960).

Almost surely, 2^431713121 is an apocalyptic number.

It is an amenable number.

431713121 is a deficient number, since it is larger than the sum of its proper divisors (61830559).

431713121 is a wasteful number, since it uses less digits than its factorization.

431713121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19663.

The product of its digits is 504, while the sum is 23.

The square root of 431713121 is about 20777.7073085555. The cubic root of 431713121 is about 755.7852572847.

The spelling of 431713121 in words is "four hundred thirty-one million, seven hundred thirteen thousand, one hundred twenty-one".