Base | Representation |
---|---|
bin | 11101001011100011… |
… | …001111101000010010 |
3 | 2222212121020211012211 |
4 | 131023203033220102 |
5 | 1003132032120310 |
6 | 22221023542334 |
7 | 2156305111201 |
oct | 351343175022 |
9 | 88777224184 |
10 | 31332301330 |
11 | 123192a3810 |
12 | 60a515a9aa |
13 | 2c543cc695 |
14 | 1733377238 |
15 | c35a99c8a |
hex | 74b8cfa12 |
31332301330 has 16 divisors (see below), whose sum is σ = 61525246464. Its totient is φ = 11393564080.
The previous prime is 31332301303. The next prime is 31332301337. The reversal of 31332301330 is 3310323313.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (31332301337) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142419442 + ... + 142419661.
It is an arithmetic number, because the mean of its divisors is an integer number (3845327904).
Almost surely, 231332301330 is an apocalyptic number.
31332301330 is a deficient number, since it is larger than the sum of its proper divisors (30192945134).
31332301330 is a wasteful number, since it uses less digits than its factorization.
31332301330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284839121.
The product of its (nonzero) digits is 1458, while the sum is 22.
Adding to 31332301330 its reverse (3310323313), we get a palindrome (34642624643).
The spelling of 31332301330 in words is "thirty-one billion, three hundred thirty-two million, three hundred one thousand, three hundred thirty".
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