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313123222102123 = 13136725572547107
BaseRepresentation
bin100011100110010001010111…
…0011011001010000001101011
31112001200021202201120110210201
41013030202232123022001223
5312020202324324231443
63025542453350053031
7122645256226026556
oct10714425633120153
91461607681513721
10313123222102123
11908528a3853354
122b15146564a177
13105945159842a4
14574735daa369d
1526300c0cb334d
hex11cc8ae6ca06b

313123222102123 has 16 divisors (see below), whose sum is σ = 316497037976064. Its totient is φ = 309764971694880.

The previous prime is 313123222102111. The next prime is 313123222102153. The reversal of 313123222102123 is 321201222321313.

It is a cyclic number.

It is not a de Polignac number, because 313123222102123 - 221 = 313123220004971 is a prime.

It is a super-2 number, since 2×3131232221021232 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313123222102091 and 313123222102100.

It is not an unprimeable number, because it can be changed into a prime (313123222102153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121659336 + ... + 124206442.

It is an arithmetic number, because the mean of its divisors is an integer number (19781064873504).

Almost surely, 2313123222102123 is an apocalyptic number.

313123222102123 is a deficient number, since it is larger than the sum of its proper divisors (3373815873941).

313123222102123 is a wasteful number, since it uses less digits than its factorization.

313123222102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550162.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 313123222102123 its reverse (321201222321313), we get a palindrome (634324444423436).

The spelling of 313123222102123 in words is "three hundred thirteen trillion, one hundred twenty-three billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-three".

Divisors: 1 131 367 2557 48077 334967 938419 2547107 122932889 333671017 934788269 6512952599 122457263239 853196790469 2390253603833 313123222102123