Base | Representation |
---|---|
bin | 1101110010110000000101… |
… | …00100101010101111010111 |
3 | 10222101121212122220210220010 |
4 | 12321120002210222233113 |
5 | 12433421044131223111 |
6 | 144301525504411303 |
7 | 6250230662632626 |
oct | 671300244525727 |
9 | 128347778823803 |
10 | 30331102211031 |
11 | 9734391516896 |
12 | 349a454916b33 |
13 | 13c0297aa910b |
14 | 76c06708d6bd |
15 | 378eacc32aa6 |
hex | 1b960292abd7 |
30331102211031 has 8 divisors (see below), whose sum is σ = 40441565226240. Its totient is φ = 20220687001592.
The previous prime is 30331102211021. The next prime is 30331102211099. The reversal of 30331102211031 is 13011220113303.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30331102211031 - 233 = 30322512276439 is a prime.
It is a super-2 number, since 2×303311022110312 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30331102210989 and 30331102211007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30331102211021) 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 in 7 ways as a sum of consecutive naturals, for example, 10443855 + ... + 13028288.
It is an arithmetic number, because the mean of its divisors is an integer number (5055195653280).
Almost surely, 230331102211031 is an apocalyptic number.
30331102211031 is a deficient number, since it is larger than the sum of its proper divisors (10110463015209).
30331102211031 is a wasteful number, since it uses less digits than its factorization.
30331102211031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23902885.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 30331102211031 its reverse (13011220113303), we get a palindrome (43342322324334).
The spelling of 30331102211031 in words is "thirty trillion, three hundred thirty-one billion, one hundred two million, two hundred eleven thousand, thirty-one".
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