431312002 has 12 divisors (see below), whose sum is σ = 711130518. Its totient is φ = 196050800.

The previous prime is 431311987. The next prime is 431312023. The reversal of 431312002 is 200213134.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 321879481 + 109432521 = 17941^2 + 10461^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 890899 + ... + 891382.

Almost surely, 2^431312002 is an apocalyptic number.

431312002 is a deficient number, since it is larger than the sum of its proper divisors (279818516).

431312002 is a wasteful number, since it uses less digits than its factorization.

431312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782305 (or 1782294 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 431312002 is about 20768.0524363745. The cubic root of 431312002 is about 755.5511096897.

Adding to 431312002 its reverse (200213134), we get a palindrome (631525136).

The spelling of 431312002 in words is "four hundred thirty-one million, three hundred twelve thousand, two".