Base | Representation |
---|---|
bin | 111011110001… |
… | …1100111111101 |
3 | 2011222021211202 |
4 | 1313203213331 |
5 | 31010403203 |
6 | 3035425245 |
7 | 530252222 |
oct | 167434775 |
9 | 64867752 |
10 | 31341053 |
11 | 16766aa7 |
12 | a5b5225 |
13 | 6654503 |
14 | 423b949 |
15 | 2b41388 |
hex | 1de39fd |
31341053 has 2 divisors, whose sum is σ = 31341054. Its totient is φ = 31341052.
The previous prime is 31341041. The next prime is 31341067. The reversal of 31341053 is 35014313.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 31158724 + 182329 = 5582^2 + 427^2 .
It is an emirp because it is prime and its reverse (35014313) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 31341053 - 212 = 31336957 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31341253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15670526 + 15670527.
It is an arithmetic number, because the mean of its divisors is an integer number (15670527).
Almost surely, 231341053 is an apocalyptic number.
It is an amenable number.
31341053 is a deficient number, since it is larger than the sum of its proper divisors (1).
31341053 is an equidigital number, since it uses as much as digits as its factorization.
31341053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 540, while the sum is 20.
The square root of 31341053 is about 5598.3080479731. The cubic root of 31341053 is about 315.2858847458.
Adding to 31341053 its reverse (35014313), we get a palindrome (66355366).
The spelling of 31341053 in words is "thirty-one million, three hundred forty-one thousand, fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •