Base | Representation |
---|---|
bin | 1110000111000111111111… |
… | …01011000101010010000010 |
3 | 11001212112210000210010221112 |
4 | 13003203333223011102002 |
5 | 13031403230101331320 |
6 | 145555301130523322 |
7 | 6351632260261241 |
oct | 703437753052202 |
9 | 131775700703845 |
10 | 31031133230210 |
11 | 9984258801673 |
12 | 359205b896542 |
13 | 14412b97b6ba9 |
14 | 793cb454a958 |
15 | 38c2ce8b5ec5 |
hex | 1c38ffac5482 |
31031133230210 has 64 divisors (see below), whose sum is σ = 57181232275200. Its totient is φ = 12121364102400.
The previous prime is 31031133230099. The next prime is 31031133230261. The reversal of 31031133230210 is 1203233113013.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 240541025 + ... + 240669995.
It is an arithmetic number, because the mean of its divisors is an integer number (893456754300).
Almost surely, 231031133230210 is an apocalyptic number.
31031133230210 is a deficient number, since it is larger than the sum of its proper divisors (26150099044990).
31031133230210 is a wasteful number, since it uses less digits than its factorization.
31031133230210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132267.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 31031133230210 its reverse (1203233113013), we get a palindrome (32234366343223).
The spelling of 31031133230210 in words is "thirty-one trillion, thirty-one billion, one hundred thirty-three million, two hundred thirty thousand, two hundred ten".
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