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311416111 = 3118155501
BaseRepresentation
bin10010100011111…
…101010100101111
3210200222120121001
4102203331110233
51114210303421
650522421131
710500664456
oct2243752457
9720876531
10311416111
1114a871596
12883617a7
134c6970b6
142d505b9d
151c516691
hex128fd52f

311416111 has 8 divisors (see below), whose sum is σ = 323243648. Its totient is φ = 299700000.

The previous prime is 311416097. The next prime is 311416121. The reversal of 311416111 is 111614113.

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 311416111 - 211 = 311414063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311416121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22140 + ... + 33361.

It is an arithmetic number, because the mean of its divisors is an integer number (40405456).

Almost surely, 2311416111 is an apocalyptic number.

311416111 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

311416111 is a deficient number, since it is larger than the sum of its proper divisors (11827537).

311416111 is a wasteful number, since it uses less digits than its factorization.

311416111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55713.

The product of its digits is 72, while the sum is 19.

The square root of 311416111 is about 17646.9858899473. The cubic root of 311416111 is about 677.8189280151.

The spelling of 311416111 in words is "three hundred eleven million, four hundred sixteen thousand, one hundred eleven".

Divisors: 1 31 181 5611 55501 1720531 10045681 311416111