312203210113 has 8 divisors (see below), whose sum is σ = 312980244840. Its totient is φ = 311426586240.

The previous prime is 312203210063. The next prime is 312203210117. The reversal of 312203210113 is 311012302213.

It can be written as a sum of positive squares in 4 ways, for example, as 231531305329 + 80671904784 = 481177^2 + 284028^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312203210113 - 2⁹ = 312203209601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312203210117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447983 + ... + 1649563.

It is an arithmetic number, because the mean of its divisors is an integer number (39122530605).

Almost surely, 2^312203210113 is an apocalyptic number.

It is an amenable number.

312203210113 is a deficient number, since it is larger than the sum of its proper divisors (777034727).

312203210113 is a wasteful number, since it uses less digits than its factorization.

312203210113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205427.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312203210113 its reverse (311012302213), we get a palindrome (623215512326).

The spelling of 312203210113 in words is "three hundred twelve billion, two hundred three million, two hundred ten thousand, one hundred thirteen".