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311345552211 = 3239943260463
BaseRepresentation
bin1001000011111011010…
…01000001101101010011
31002202122012120210111120
410201331221001231103
520100113430132321
6355010303413323
731331301346131
oct4417551015523
91082565523446
10311345552211
1111004a4a1631
1250410bb4243
132348a512b05
14110d7c82751
158173758ec6
hex487da41b53

311345552211 has 8 divisors (see below), whose sum is σ = 415300454400. Its totient is φ = 207477175752.

The previous prime is 311345552137. The next prime is 311345552239. The reversal of 311345552211 is 112255543113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311345552211 - 214 = 311345535827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311345552311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21623035 + ... + 21637428.

It is an arithmetic number, because the mean of its divisors is an integer number (51912556800).

Almost surely, 2311345552211 is an apocalyptic number.

311345552211 is a deficient number, since it is larger than the sum of its proper divisors (103954902189).

311345552211 is a wasteful number, since it uses less digits than its factorization.

311345552211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43262865.

The product of its digits is 18000, while the sum is 33.

The spelling of 311345552211 in words is "three hundred eleven billion, three hundred forty-five million, five hundred fifty-two thousand, two hundred eleven".

Divisors: 1 3 2399 7197 43260463 129781389 103781850737 311345552211