Base | Representation |
---|---|
bin | 1110000110110111011000… |
… | …00000010000001100100110 |
3 | 11001211200202101100210110010 |
4 | 13003123230000100030212 |
5 | 13031231443101113110 |
6 | 145551224045511050 |
7 | 6351165236156640 |
oct | 703335400201446 |
9 | 131750671323403 |
10 | 31022213301030 |
11 | 99804a072a876 |
12 | 3590390572486 |
13 | 14404c77c02a3 |
14 | 7936a9a19890 |
15 | 38be5b754020 |
hex | 1c36ec010326 |
31022213301030 has 64 divisors (see below), whose sum is σ = 85137874145280. Its totient is φ = 7086760377984.
The previous prime is 31022213301011. The next prime is 31022213301083. The reversal of 31022213301030 is 3010331222013.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 31022213300988 and 31022213301006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41621749 + ... + 42360528.
It is an arithmetic number, because the mean of its divisors is an integer number (1330279283520).
Almost surely, 231022213301030 is an apocalyptic number.
31022213301030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31022213301030 is an abundant number, since it is smaller than the sum of its proper divisors (54115660844250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31022213301030 is a wasteful number, since it uses less digits than its factorization.
31022213301030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83984053.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 31022213301030 its reverse (3010331222013), we get a palindrome (34032544523043).
The spelling of 31022213301030 in words is "thirty-one trillion, twenty-two billion, two hundred thirteen million, three hundred one thousand, thirty".
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