Base | Representation |
---|---|
bin | 1110001101000010101000… |
… | …01110101100100101110011 |
3 | 11002120222111002220000210112 |
4 | 13012201110032230211303 |
5 | 13043221040310042230 |
6 | 150232520423251535 |
7 | 6402416633424422 |
oct | 706412416544563 |
9 | 132528432800715 |
10 | 31234415315315 |
11 | 9a524941909a3 |
12 | 36055325a9bab |
13 | 1457514a85054 |
14 | 79da7a4a32b9 |
15 | 39272b04ed95 |
hex | 1c68543ac973 |
31234415315315 has 16 divisors (see below), whose sum is σ = 39420379558656. Its totient is φ = 23725228425600.
The previous prime is 31234415315161. The next prime is 31234415315359. The reversal of 31234415315315 is 51351351443213.
It is not a de Polignac number, because 31234415315315 - 212 = 31234415311219 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1901051756 + ... + 1901068185.
It is an arithmetic number, because the mean of its divisors is an integer number (2463773722416).
Almost surely, 231234415315315 is an apocalyptic number.
31234415315315 is a deficient number, since it is larger than the sum of its proper divisors (8185964243341).
31234415315315 is a wasteful number, since it uses less digits than its factorization.
31234415315315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3802120030.
The product of its digits is 324000, while the sum is 41.
Adding to 31234415315315 its reverse (51351351443213), we get a palindrome (82585766758528).
The spelling of 31234415315315 in words is "thirty-one trillion, two hundred thirty-four billion, four hundred fifteen million, three hundred fifteen thousand, three hundred fifteen".
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