Base | Representation |
---|---|
bin | 1110010000010001000010… |
… | …11011010101110010001011 |
3 | 11002222120112010022001222110 |
4 | 13020020201123111302023 |
5 | 13102030013412011301 |
6 | 150355444552353403 |
7 | 6413422034051244 |
oct | 710104133256213 |
9 | 132876463261873 |
10 | 31345232141451 |
11 | 9a95490414628 |
12 | 3622aba9a5863 |
13 | 1464ac5576717 |
14 | 7a518dd51ccb |
15 | 395564be50d6 |
hex | 1c82216d5c8b |
31345232141451 has 8 divisors (see below), whose sum is σ = 42582202154640. Its totient is φ = 20502541777952.
The previous prime is 31345232141441. The next prime is 31345232141453. The reversal of 31345232141451 is 15414123254313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31345232141451 - 225 = 31345198587019 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31345232141453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98569912236 + ... + 98569912553.
It is an arithmetic number, because the mean of its divisors is an integer number (5322775269330).
Almost surely, 231345232141451 is an apocalyptic number.
31345232141451 is a deficient number, since it is larger than the sum of its proper divisors (11236970013189).
31345232141451 is a wasteful number, since it uses less digits than its factorization.
31345232141451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197139824845.
The product of its digits is 172800, while the sum is 39.
Adding to 31345232141451 its reverse (15414123254313), we get a palindrome (46759355395764).
The spelling of 31345232141451 in words is "thirty-one trillion, three hundred forty-five billion, two hundred thirty-two million, one hundred forty-one thousand, four hundred fifty-one".
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