2002030312 has 16 divisors (see below), whose sum is σ = 3883248900. Its totient is φ = 966497280.

The previous prime is 2002030259. The next prime is 2002030337. The reversal of 2002030312 is 2130302002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1832353636 + 169676676 = 42806^2 + 13026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2002030292 and 2002030301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4314489 + ... + 4314952.

Almost surely, 2^2002030312 is an apocalyptic number.

It is an amenable number.

2002030312 is a deficient number, since it is larger than the sum of its proper divisors (1881218588).

2002030312 is a wasteful number, since it uses less digits than its factorization.

2002030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8629476 (or 8629472 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2002030312 is about 44744.0533702525. The cubic root of 2002030312 is about 1260.3472445138.

Adding to 2002030312 its reverse (2130302002), we get a palindrome (4132332314).

The spelling of 2002030312 in words is "two billion, two million, thirty thousand, three hundred twelve".