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311200112 = 2419798731
BaseRepresentation
bin10010100011001…
…000100101110000
3210200120121022002
4102203020211300
51114131400422
650514033132
710466104646
oct2243104560
9720517262
10311200112
1114a734283
12882787a8
134c61c9a2
142d48b196
151c4c2692
hex128c8970

311200112 has 20 divisors (see below), whose sum is σ = 606017016. Its totient is φ = 154808640.

The previous prime is 311200111. The next prime is 311200151. The reversal of 311200112 is 211002113.

It is a junction number, because it is equal to n+sod(n) for n = 311200093 and 311200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311200111) by changing a digit.

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, 46214 + ... + 52517.

Almost surely, 2311200112 is an apocalyptic number.

It is an amenable number.

311200112 is a deficient number, since it is larger than the sum of its proper divisors (294816904).

311200112 is a wasteful number, since it uses less digits than its factorization.

311200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98936 (or 98930 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 311200112 is about 17640.8648314078. The cubic root of 311200112 is about 677.6621794631.

Adding to 311200112 its reverse (211002113), we get a palindrome (522202225).

The spelling of 311200112 in words is "three hundred eleven million, two hundred thousand, one hundred twelve".

Divisors: 1 2 4 8 16 197 394 788 1576 3152 98731 197462 394924 789848 1579696 19450007 38900014 77800028 155600056 311200112