Base | Representation |
---|---|
bin | 1001000101101110101… |
… | …11110100110011010111 |
3 | 1002212010201010012200122 |
4 | 10202313113310303113 |
5 | 20104104403341211 |
6 | 355250343302155 |
7 | 31364302142114 |
oct | 4426727646327 |
9 | 1085121105618 |
10 | 312314121431 |
11 | 1104a71a7a64 |
12 | 5064144a95b |
13 | 235b30969b0 |
14 | 1118a76b90b |
15 | 81cd7cc6db |
hex | 48b75f4cd7 |
312314121431 has 8 divisors (see below), whose sum is σ = 337552506144. Its totient is φ = 287249196960.
The previous prime is 312314121407. The next prime is 312314121439. The reversal of 312314121431 is 134121413213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-312314121431 is a prime.
It is a super-2 number, since 2×3123141214312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 312314121431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312314121439) 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 7 ways as a sum of consecutive naturals, for example, 43361315 + ... + 43368516.
It is an arithmetic number, because the mean of its divisors is an integer number (42194063268).
Almost surely, 2312314121431 is an apocalyptic number.
312314121431 is a deficient number, since it is larger than the sum of its proper divisors (25238384713).
312314121431 is a wasteful number, since it uses less digits than its factorization.
312314121431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86730121.
The product of its digits is 1728, while the sum is 26.
Adding to 312314121431 its reverse (134121413213), we get a palindrome (446435534644).
The spelling of 312314121431 in words is "three hundred twelve billion, three hundred fourteen million, one hundred twenty-one thousand, four hundred thirty-one".
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