431332521431045 has 8 divisors (see below), whose sum is σ = 557414335387896. Its totient is φ = 318522477364416.

The previous prime is 431332521430991. The next prime is 431332521431057. The reversal of 431332521431045 is 540134125233134.

It can be written as a sum of positive squares in 4 ways, for example, as 16164267471361 + 415168253959684 = 4020481^2 + 20375678^2 .

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

It is not a de Polignac number, because 431332521431045 - 2¹⁰ = 431332521430021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431332521430993 and 431332521431011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3317942472482 + ... + 3317942472611.

It is an arithmetic number, because the mean of its divisors is an integer number (69676791923487).

Almost surely, 2^{431332521431045} is an apocalyptic number.

It is an amenable number.

431332521431045 is a deficient number, since it is larger than the sum of its proper divisors (126081813956851).

431332521431045 is a wasteful number, since it uses less digits than its factorization.

431332521431045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635884945111.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 431332521431045 its reverse (540134125233134), we get a palindrome (971466646664179).

The spelling of 431332521431045 in words is "four hundred thirty-one trillion, three hundred thirty-two billion, five hundred twenty-one million, four hundred thirty-one thousand, forty-five".