Base | Representation |
---|---|
bin | 11100111000010110… |
… | …100100010111100101 |
3 | 2222001011011221202111 |
4 | 130320112210113211 |
5 | 1002002103230201 |
6 | 22125040241021 |
7 | 2145314306206 |
oct | 347026442745 |
9 | 88034157674 |
10 | 31010211301 |
11 | 12173501803 |
12 | 6015310171 |
13 | 2c02769074 |
14 | 17026935ad |
15 | c17675b51 |
hex | 7385a45e5 |
31010211301 has 2 divisors, whose sum is σ = 31010211302. Its totient is φ = 31010211300.
The previous prime is 31010211289. The next prime is 31010211329. The reversal of 31010211301 is 10311201013.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21498890625 + 9511320676 = 146625^2 + 97526^2 .
It is a cyclic number.
It is not a de Polignac number, because 31010211301 - 217 = 31010080229 is a prime.
It is a super-2 number, since 2×310102113012 (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 (31010211341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15505105650 + 15505105651.
It is an arithmetic number, because the mean of its divisors is an integer number (15505105651).
Almost surely, 231010211301 is an apocalyptic number.
It is an amenable number.
31010211301 is a deficient number, since it is larger than the sum of its proper divisors (1).
31010211301 is an equidigital number, since it uses as much as digits as its factorization.
31010211301 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 31010211301 its reverse (10311201013), we get a palindrome (41321412314).
The spelling of 31010211301 in words is "thirty-one billion, ten million, two hundred eleven thousand, three hundred one".
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