Base | Representation |
---|---|
bin | 1110010010001101111111… |
… | …01110010101101011001111 |
3 | 11010012222200001200212111110 |
4 | 13021012333232111223033 |
5 | 13104124403440300221 |
6 | 150450341144023103 |
7 | 6421315246106400 |
oct | 711067756255317 |
9 | 133188601625443 |
10 | 31412312431311 |
11 | a0109834a5209 |
12 | 3633abba61a93 |
13 | 146b225b3bb26 |
14 | 7a8514ca19a7 |
15 | 39718dd21776 |
hex | 1c91bfb95acf |
31412312431311 has 12 divisors (see below), whose sum is σ = 48721137648792. Its totient is φ = 17949892817808.
The previous prime is 31412312431259. The next prime is 31412312431327. The reversal of 31412312431311 is 11313421321413.
It is a happy number.
It is not a de Polignac number, because 31412312431311 - 219 = 31412311907023 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31412312431211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106844599960 + ... + 106844600253.
It is an arithmetic number, because the mean of its divisors is an integer number (4060094804066).
Almost surely, 231412312431311 is an apocalyptic number.
31412312431311 is a deficient number, since it is larger than the sum of its proper divisors (17308825217481).
31412312431311 is a wasteful number, since it uses less digits than its factorization.
31412312431311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213689200230 (or 213689200223 counting only the distinct ones).
The product of its digits is 5184, while the sum is 30.
Adding to 31412312431311 its reverse (11313421321413), we get a palindrome (42725733752724).
The spelling of 31412312431311 in words is "thirty-one trillion, four hundred twelve billion, three hundred twelve million, four hundred thirty-one thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •