431205130 has 8 divisors (see below), whose sum is σ = 776169252. Its totient is φ = 172482048.

The previous prime is 431205121. The next prime is 431205149. The reversal of 431205130 is 31502134.

It can be written as a sum of positive squares in 2 ways, for example, as 383415561 + 47789569 = 19581^2 + 6913^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 431205098 and 431205107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21560247 + ... + 21560266.

Almost surely, 2^431205130 is an apocalyptic number.

431205130 is a deficient number, since it is larger than the sum of its proper divisors (344964122).

431205130 is a wasteful number, since it uses less digits than its factorization.

431205130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43120520.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 431205130 is about 20765.4792865467. The cubic root of 431205130 is about 755.4887001671.

Adding to 431205130 its reverse (31502134), we get a palindrome (462707264).

The spelling of 431205130 in words is "four hundred thirty-one million, two hundred five thousand, one hundred thirty".