Base | Representation |
---|---|
bin | 11100111001000100… |
… | …010101110100011010 |
3 | 2222001222202120022222 |
4 | 130321010111310122 |
5 | 1002013141212310 |
6 | 22130145344042 |
7 | 2145521302616 |
oct | 347104256432 |
9 | 88058676288 |
10 | 31022210330 |
11 | 1217a257861 |
12 | 6019338022 |
13 | 2c050aa797 |
14 | 17040d8346 |
15 | c18746055 |
hex | 739115d1a |
31022210330 has 16 divisors (see below), whose sum is σ = 55872991944. Its totient is φ = 12401547840.
The previous prime is 31022210327. The next prime is 31022210333. The reversal of 31022210330 is 3301222013.
It is an interprime number because it is at equal distance from previous prime (31022210327) and next prime (31022210333).
It can be written as a sum of positive squares in 4 ways, for example, as 26631955249 + 4390255081 = 163193^2 + 66259^2 .
It is a junction number, because it is equal to n+sod(n) for n = 31022210299 and 31022210308.
It is not an unprimeable number, because it can be changed into a prime (31022210333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899261 + ... + 933120.
Almost surely, 231022210330 is an apocalyptic number.
31022210330 is a deficient number, since it is larger than the sum of its proper divisors (24850781614).
31022210330 is a wasteful number, since it uses less digits than its factorization.
31022210330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1834081.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 31022210330 its reverse (3301222013), we get a palindrome (34323432343).
The spelling of 31022210330 in words is "thirty-one billion, twenty-two million, two hundred ten thousand, three hundred thirty".
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