Base | Representation |
---|---|
bin | 1110000111000110010100… |
… | …00110011110100101010111 |
3 | 11001212110110101112222101221 |
4 | 13003203022012132211113 |
5 | 13031344410004121241 |
6 | 145555032022431211 |
7 | 6351601064560534 |
oct | 703431206364527 |
9 | 131773411488357 |
10 | 31030234442071 |
11 | 9983937427857 |
12 | 3591a4a892507 |
13 | 14411a5525ca7 |
14 | 793c2b027d8b |
15 | 38c27aa285d1 |
hex | 1c38ca19e957 |
31030234442071 has 2 divisors, whose sum is σ = 31030234442072. Its totient is φ = 31030234442070.
The previous prime is 31030234442059. The next prime is 31030234442099. The reversal of 31030234442071 is 17024443203013.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 31030234442071 - 221 = 31030232344919 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31030234442771) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515117221035 + 15515117221036.
It is an arithmetic number, because the mean of its divisors is an integer number (15515117221036).
Almost surely, 231030234442071 is an apocalyptic number.
31030234442071 is a deficient number, since it is larger than the sum of its proper divisors (1).
31030234442071 is an equidigital number, since it uses as much as digits as its factorization.
31030234442071 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48384, while the sum is 34.
Adding to 31030234442071 its reverse (17024443203013), we get a palindrome (48054677645084).
The spelling of 31030234442071 in words is "thirty-one trillion, thirty billion, two hundred thirty-four million, four hundred forty-two thousand, seventy-one".
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