Base | Representation |
---|---|
bin | 111011111101… |
… | …0011111010011 |
3 | 2012011001022102 |
4 | 1313322133103 |
5 | 31021402312 |
6 | 3041431015 |
7 | 531122243 |
oct | 167723723 |
9 | 65131272 |
10 | 31434707 |
11 | 168203a7 |
12 | a63b46b |
13 | 6688025 |
14 | 4263b23 |
15 | 2b5dec2 |
hex | 1dfa7d3 |
31434707 has 2 divisors, whose sum is σ = 31434708. Its totient is φ = 31434706.
The previous prime is 31434691. The next prime is 31434731. The reversal of 31434707 is 70743413.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 31434707 - 24 = 31434691 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31434707.
It is not a weakly prime, because it can be changed into another prime (31434757) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717353 + 15717354.
It is an arithmetic number, because the mean of its divisors is an integer number (15717354).
Almost surely, 231434707 is an apocalyptic number.
31434707 is a deficient number, since it is larger than the sum of its proper divisors (1).
31434707 is an equidigital number, since it uses as much as digits as its factorization.
31434707 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7056, while the sum is 29.
The square root of 31434707 is about 5606.6663000396. Note that the first 3 decimals coincide. The cubic root of 31434707 is about 315.5996204407.
The spelling of 31434707 in words is "thirty-one million, four hundred thirty-four thousand, seven hundred seven".
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