431045121 has 8 divisors (see below), whose sum is σ = 618936640. Its totient is φ = 265258512.

The previous prime is 431045119. The next prime is 431045137. The reversal of 431045121 is 121540134.

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

It is not a de Polignac number, because 431045121 - 2¹ = 431045119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431045101) 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, 5526181 + ... + 5526258.

It is an arithmetic number, because the mean of its divisors is an integer number (77367080).

Almost surely, 2^431045121 is an apocalyptic number.

It is an amenable number.

431045121 is a deficient number, since it is larger than the sum of its proper divisors (187891519).

431045121 is a wasteful number, since it uses less digits than its factorization.

431045121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11052455.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 431045121 is about 20761.6261646336. The cubic root of 431045121 is about 755.3952412087.

Adding to 431045121 its reverse (121540134), we get a palindrome (552585255).

The spelling of 431045121 in words is "four hundred thirty-one million, forty-five thousand, one hundred twenty-one".