Base | Representation |
---|---|
bin | 11101010010110011… |
… | …111111101101101111 |
3 | 10000012002111111222201 |
4 | 131102303333231233 |
5 | 1003404224224403 |
6 | 22241055122331 |
7 | 2162314501651 |
oct | 352263775557 |
9 | 100162444881 |
10 | 31454133103 |
11 | 12381046828 |
12 | 6119b133a7 |
13 | 2c737182a3 |
14 | 174560c6d1 |
15 | c4161321d |
hex | 752cffb6f |
31454133103 has 2 divisors, whose sum is σ = 31454133104. Its totient is φ = 31454133102.
The previous prime is 31454133071. The next prime is 31454133157. The reversal of 31454133103 is 30133145413.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 31454133103 - 25 = 31454133071 is a prime.
It is a super-2 number, since 2×314541331032 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31454133163) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15727066551 + 15727066552.
It is an arithmetic number, because the mean of its divisors is an integer number (15727066552).
Almost surely, 231454133103 is an apocalyptic number.
31454133103 is a deficient number, since it is larger than the sum of its proper divisors (1).
31454133103 is an equidigital number, since it uses as much as digits as its factorization.
31454133103 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6480, while the sum is 28.
Adding to 31454133103 its reverse (30133145413), we get a palindrome (61587278516).
The spelling of 31454133103 in words is "thirty-one billion, four hundred fifty-four million, one hundred thirty-three thousand, one hundred three".
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