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311000102 = 27148714939
BaseRepresentation
bin10010100010010…
…111110000100110
3210200012102221022
4102202113300212
51114104000402
650505451142
710464312560
oct2242276046
9720172838
10311000102
1114a607a86
12881a0ab2
134c57c93a
142d438330
151c4832a2
hex12897c26

311000102 has 16 divisors (see below), whose sum is σ = 533537280. Its totient is φ = 133187208.

The previous prime is 311000099. The next prime is 311000161. The reversal of 311000102 is 201000113.

It is a self number, because there is not a number n which added to its sum of digits gives 311000102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13349 + ... + 28287.

It is an arithmetic number, because the mean of its divisors is an integer number (33346080).

Almost surely, 2311000102 is an apocalyptic number.

311000102 is a deficient number, since it is larger than the sum of its proper divisors (222537178).

311000102 is a wasteful number, since it uses less digits than its factorization.

311000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16435.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 311000102 is about 17635.1949804928. The cubic root of 311000102 is about 677.5169692967.

Adding to 311000102 its reverse (201000113), we get a palindrome (512000215).

The spelling of 311000102 in words is "three hundred eleven million, one hundred two", and thus it is an aban number.

Divisors: 1 2 7 14 1487 2974 10409 14939 20818 29878 104573 209146 22214293 44428586 155500051 311000102