311112310225 has 12 divisors (see below), whose sum is σ = 398223758080. Its totient is φ = 240861142800.

The previous prime is 311112310199. The next prime is 311112310247. The reversal of 311112310225 is 522013211113.

It is a de Polignac number, because none of the positive numbers 2^k-311112310225 is a prime.

It is a super-3 number, since 3×311112310225³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311112310196 and 311112310205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200716845 + ... + 200718394.

Almost surely, 2^311112310225 is an apocalyptic number.

It is an amenable number.

311112310225 is a deficient number, since it is larger than the sum of its proper divisors (87111447855).

311112310225 is a wasteful number, since it uses less digits than its factorization.

311112310225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401435280 (or 401435275 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 311112310225 its reverse (522013211113), we get a palindrome (833125521338).

The spelling of 311112310225 in words is "three hundred eleven billion, one hundred twelve million, three hundred ten thousand, two hundred twenty-five".