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12312230112311 = 114831072213717
BaseRepresentation
bin1011001100101010101000…
…0110100010110000110111
31121121001000111010012122012
42303022222012202300313
53103210421402043221
642104054352554435
72410346353123103
oct263125206426067
947531014105565
1012312230112311
113a17650a12538
12146a238b52a1b
136b406625142c
14307cb511c903
1516540915665b
hexb32aa1a2c37

12312230112311 has 4 divisors (see below), whose sum is σ = 12313302337512. Its totient is φ = 12311157887112.

The previous prime is 12312230112283. The next prime is 12312230112341. The reversal of 12312230112311 is 11321103221321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12312230112311 - 222 = 12312225918007 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 (12312230112341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536095376 + ... + 536118341.

It is an arithmetic number, because the mean of its divisors is an integer number (3078325584378).

Almost surely, 212312230112311 is an apocalyptic number.

12312230112311 is a deficient number, since it is larger than the sum of its proper divisors (1072225201).

12312230112311 is a wasteful number, since it uses less digits than its factorization.

12312230112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072225200.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12312230112311 its reverse (11321103221321), we get a palindrome (23633333333632).

The spelling of 12312230112311 in words is "twelve trillion, three hundred twelve billion, two hundred thirty million, one hundred twelve thousand, three hundred eleven".

Divisors: 1 11483 1072213717 12312230112311