31211200204 has 12 divisors (see below), whose sum is σ = 54656441224. Its totient is φ = 15595074144.

The previous prime is 31211200171. The next prime is 31211200219. The reversal of 31211200204 is 40200211213.

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, 2624817 + ... + 2636680.

Almost surely, 2^31211200204 is an apocalyptic number.

It is an amenable number.

31211200204 is a deficient number, since it is larger than the sum of its proper divisors (23445241020).

31211200204 is a wasteful number, since it uses less digits than its factorization.

31211200204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262984 (or 5262982 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31211200204 its reverse (40200211213), we get a palindrome (71411411417).

The spelling of 31211200204 in words is "thirty-one billion, two hundred eleven million, two hundred thousand, two hundred four".