431144332 has 6 divisors (see below), whose sum is σ = 754502588. Its totient is φ = 215572164.

The previous prime is 431144321. The next prime is 431144383. The reversal of 431144332 is 233441134.

It is a junction number, because it is equal to n+sod(n) for n = 431144297 and 431144306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53893038 + ... + 53893045.

Almost surely, 2^431144332 is an apocalyptic number.

It is an amenable number.

431144332 is a deficient number, since it is larger than the sum of its proper divisors (323358256).

431144332 is a wasteful number, since it uses less digits than its factorization.

431144332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107786087 (or 107786085 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 431144332 is about 20764.0153149626. The cubic root of 431144332 is about 755.4531916525.

Adding to 431144332 its reverse (233441134), we get a palindrome (664585466).

The spelling of 431144332 in words is "four hundred thirty-one million, one hundred forty-four thousand, three hundred thirty-two".