Base | Representation |
---|---|
bin | 111001011101111111… |
… | …1110011110110011011 |
3 | 102210112212121122122022 |
4 | 1302323333303312123 |
5 | 4010222231314011 |
6 | 132410100045055 |
7 | 11626202322224 |
oct | 1627377636633 |
9 | 383485548568 |
10 | 123413151131 |
11 | 48380563086 |
12 | 1bb0299378b |
13 | b83a36611a |
14 | 5d8a77824b |
15 | 33249598db |
hex | 1cbbff3d9b |
123413151131 has 2 divisors, whose sum is σ = 123413151132. Its totient is φ = 123413151130.
The previous prime is 123413151109. The next prime is 123413151139. The reversal of 123413151131 is 131151314321.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123413151131 is a prime.
It is a super-2 number, since 2×1234131511312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 123413151131.
It is not a weakly prime, because it can be changed into another prime (123413151139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61706575565 + 61706575566.
It is an arithmetic number, because the mean of its divisors is an integer number (61706575566).
Almost surely, 2123413151131 is an apocalyptic number.
123413151131 is a deficient number, since it is larger than the sum of its proper divisors (1).
123413151131 is an equidigital number, since it uses as much as digits as its factorization.
123413151131 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1080, while the sum is 26.
Adding to 123413151131 its reverse (131151314321), we get a palindrome (254564465452).
The spelling of 123413151131 in words is "one hundred twenty-three billion, four hundred thirteen million, one hundred fifty-one thousand, one hundred thirty-one".
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