Base | Representation |
---|---|
bin | 11101010000111010… |
… | …111111000101101001 |
3 | 10000002212210212121012 |
4 | 131100322333011221 |
5 | 1003323114123423 |
6 | 22234003153305 |
7 | 2161451042012 |
oct | 352072770551 |
9 | 100085725535 |
10 | 31422411113 |
11 | 1236514a605 |
12 | 610b375835 |
13 | 2c69c8c592 |
14 | 1741312009 |
15 | c3d949078 |
hex | 750ebf169 |
31422411113 has 2 divisors, whose sum is σ = 31422411114. Its totient is φ = 31422411112.
The previous prime is 31422411089. The next prime is 31422411143. The reversal of 31422411113 is 31111422413.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18352662784 + 13069748329 = 135472^2 + 114323^2 .
It is an emirp because it is prime and its reverse (31111422413) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 31422411113 - 218 = 31422148969 is a prime.
It is not a weakly prime, because it can be changed into another prime (31422411143) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711205556 + 15711205557.
It is an arithmetic number, because the mean of its divisors is an integer number (15711205557).
Almost surely, 231422411113 is an apocalyptic number.
It is an amenable number.
31422411113 is a deficient number, since it is larger than the sum of its proper divisors (1).
31422411113 is an equidigital number, since it uses as much as digits as its factorization.
31422411113 is an evil number, because the sum of its binary digits is even.
The product of its digits is 576, while the sum is 23.
Adding to 31422411113 its reverse (31111422413), we get a palindrome (62533833526).
The spelling of 31422411113 in words is "thirty-one billion, four hundred twenty-two million, four hundred eleven thousand, one hundred thirteen".
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