202103312 has 20 divisors (see below), whose sum is σ = 395238096. Its totient is φ = 100106400.

The previous prime is 202103299. The next prime is 202103329. The reversal of 202103312 is 213301202.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57314 + ... + 60737.

Almost surely, 2^202103312 is an apocalyptic number.

It is an amenable number.

202103312 is a deficient number, since it is larger than the sum of its proper divisors (193134784).

202103312 is a wasteful number, since it uses less digits than its factorization.

202103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118166 (or 118160 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 202103312 is about 14216.3044424351. The cubic root of 202103312 is about 586.8464434118.

Adding to 202103312 its reverse (213301202), we get a palindrome (415404514).

The spelling of 202103312 in words is "two hundred two million, one hundred three thousand, three hundred twelve".