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311313302111 = 7173634371983
BaseRepresentation
bin1001000011110111011…
…10000000001001011111
31002202112221220022200102
410201323232000021133
520100032201131421
6355003152251315
731330430256410
oct4417356001137
91082487808612
10311313302111
11110033274659
1250402240b3b
1323483930906
14110d3889807
1581709d860b
hex487bb8025f

311313302111 has 16 divisors (see below), whose sum is σ = 376730855424. Its totient is φ = 251133105024.

The previous prime is 311313302107. The next prime is 311313302171. The reversal of 311313302111 is 111203313113.

It is a cyclic number.

It is not a de Polignac number, because 311313302111 - 22 = 311313302107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311313302171) 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 15 ways as a sum of consecutive naturals, for example, 4288826 + ... + 4360808.

It is an arithmetic number, because the mean of its divisors is an integer number (23545678464).

Almost surely, 2311313302111 is an apocalyptic number.

311313302111 is a deficient number, since it is larger than the sum of its proper divisors (65417553313).

311313302111 is a wasteful number, since it uses less digits than its factorization.

311313302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108350.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 311313302111 its reverse (111203313113), we get a palindrome (422516615224).

The spelling of 311313302111 in words is "three hundred eleven billion, three hundred thirteen million, three hundred two thousand, one hundred eleven".

Divisors: 1 7 17 119 36343 71983 254401 503881 617831 1223711 4324817 8565977 2616078169 18312547183 44473328873 311313302111