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311666666113 = 1131913978493
BaseRepresentation
bin1001000100100001100…
…01111110101010000001
31002210110120211001222001
410202100301332222001
520101243131303423
6355102214144001
731342250644225
oct4422061765201
91083416731861
10311666666113
111101a4787220
12504a0652001
132350bbc403a
1411128790785
158191a38cad
hex4890c7ea81

311666666113 has 8 divisors (see below), whose sum is σ = 350967741696. Its totient is φ = 274193547600.

The previous prime is 311666666071. The next prime is 311666666137.

311666666113 is nontrivially palindromic in base 10.

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 311666666113 - 217 = 311666535041 is a prime.

It is a super-3 number, since 3×3116666661133 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (311666666183) 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, 456988906 + ... + 456989587.

It is an arithmetic number, because the mean of its divisors is an integer number (43870967712).

Almost surely, 2311666666113 is an apocalyptic number.

It is an amenable number.

311666666113 is a deficient number, since it is larger than the sum of its proper divisors (39301075583).

311666666113 is a wasteful number, since it uses less digits than its factorization.

311666666113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913978535.

The product of its digits is 419904, while the sum is 46.

It can be divided in two parts, 311666 and 666113, that added together give a palindrome (977779).

The spelling of 311666666113 in words is "three hundred eleven billion, six hundred sixty-six million, six hundred sixty-six thousand, one hundred thirteen".

Divisors: 1 11 31 341 913978493 10053763423 28333333283 311666666113