Base | Representation |
---|---|
bin | 101101100011111110110… |
… | …111010011010011000001 |
3 | 102002022200121122121001202 |
4 | 231203332313103103001 |
5 | 402244303044220223 |
6 | 10354211143310545 |
7 | 442131253513115 |
oct | 55437667232301 |
9 | 12068617577052 |
10 | 3131012101313 |
11 | aa7944784578 |
12 | 42698974b455 |
13 | 19933a2baa45 |
14 | ab78297d745 |
15 | 566a1379428 |
hex | 2d8fedd34c1 |
3131012101313 has 4 divisors (see below), whose sum is σ = 3131888893488. Its totient is φ = 3130135309140.
The previous prime is 3131012101249. The next prime is 3131012101331.
3131012101313 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 3131012101313 - 26 = 3131012101249 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (3131012104313) 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, 438390731 + ... + 438397872.
It is an arithmetic number, because the mean of its divisors is an integer number (782972223372).
Almost surely, 23131012101313 is an apocalyptic number.
It is an amenable number.
3131012101313 is a deficient number, since it is larger than the sum of its proper divisors (876792175).
3131012101313 is an equidigital number, since it uses as much as digits as its factorization.
3131012101313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 876792174.
The product of its (nonzero) digits is 162, while the sum is 20.
The spelling of 3131012101313 in words is "three trillion, one hundred thirty-one billion, twelve million, one hundred one thousand, three hundred thirteen".
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