31230203300312 has 32 divisors (see below), whose sum is σ = 58665269995200. Its totient is φ = 15586132851744.

The previous prime is 31230203300299. The next prime is 31230203300357. The reversal of 31230203300312 is 21300330203213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217586123 + ... + 217729605.

It is an arithmetic number, because the mean of its divisors is an integer number (1833289687350).

Almost surely, 2^{31230203300312} is an apocalyptic number.

It is an amenable number.

31230203300312 is a deficient number, since it is larger than the sum of its proper divisors (27435066694888).

31230203300312 is a wasteful number, since it uses less digits than its factorization.

31230203300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193775 (or 193771 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31230203300312 its reverse (21300330203213), we get a palindrome (52530533503525).

The spelling of 31230203300312 in words is "thirty-one trillion, two hundred thirty billion, two hundred three million, three hundred thousand, three hundred twelve".