431144012 has 18 divisors (see below), whose sum is σ = 817006428. Its totient is φ = 198989232.

The previous prime is 431143969. The next prime is 431144099. The reversal of 431144012 is 210441134.

It is a super-2 number, since 2×431144012² = 371770318166912288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 318218 + ... + 319569.

It is an arithmetic number, because the mean of its divisors is an integer number (45389246).

Almost surely, 2^431144012 is an apocalyptic number.

It is an amenable number.

431144012 is a deficient number, since it is larger than the sum of its proper divisors (385862416).

431144012 is a wasteful number, since it uses less digits than its factorization.

431144012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637817 (or 637802 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 431144012 is about 20764.0076093224. The cubic root of 431144012 is about 755.4530047506.

Adding to 431144012 its reverse (210441134), we get a palindrome (641585146).

The spelling of 431144012 in words is "four hundred thirty-one million, one hundred forty-four thousand, twelve".