431143012 has 6 divisors (see below), whose sum is σ = 754500278. Its totient is φ = 215571504.

The previous prime is 431143007. The next prime is 431143033. The reversal of 431143012 is 210341134.

It can be written as a sum of positive squares in only one way, i.e., 430396516 + 746496 = 20746^2 + 864^2 .

It is a super-3 number, since 3×431143012³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53892873 + ... + 53892880.

Almost surely, 2^431143012 is an apocalyptic number.

It is an amenable number.

431143012 is a deficient number, since it is larger than the sum of its proper divisors (323357266).

431143012 is a wasteful number, since it uses less digits than its factorization.

431143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107785757 (or 107785755 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 431143012 is about 20763.9835291786. The cubic root of 431143012 is about 755.4524206816.

Adding to 431143012 its reverse (210341134), we get a palindrome (641484146).

The spelling of 431143012 in words is "four hundred thirty-one million, one hundred forty-three thousand, twelve".