Base | Representation |
---|---|
bin | 11101010000010100… |
… | …110101111110100001 |
3 | 10000002011222212211120 |
4 | 131100110311332201 |
5 | 1003313034143241 |
6 | 22233005002453 |
7 | 2161300046013 |
oct | 352024657641 |
9 | 100064885746 |
10 | 31412412321 |
11 | 1235a540344 |
12 | 6107b53429 |
13 | 2c67b9b434 |
14 | 173dc6c1b3 |
15 | c3cb21666 |
hex | 750535fa1 |
31412412321 has 16 divisors (see below), whose sum is σ = 44492078400. Its totient is φ = 19657401408.
The previous prime is 31412412307. The next prime is 31412412379. The reversal of 31412412321 is 12321421413.
It is not a de Polignac number, because 31412412321 - 25 = 31412412289 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31412412291 and 31412412300.
It is not an unprimeable number, because it can be changed into a prime (31412412721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2521746 + ... + 2534171.
It is an arithmetic number, because the mean of its divisors is an integer number (2780754900).
Almost surely, 231412412321 is an apocalyptic number.
It is an amenable number.
31412412321 is a deficient number, since it is larger than the sum of its proper divisors (13079666079).
31412412321 is a wasteful number, since it uses less digits than its factorization.
31412412321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5056048.
The product of its digits is 1152, while the sum is 24.
Adding to 31412412321 its reverse (12321421413), we get a palindrome (43733833734).
The spelling of 31412412321 in words is "thirty-one billion, four hundred twelve million, four hundred twelve thousand, three hundred twenty-one".
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