Base | Representation |
---|---|
bin | 11101000110001000… |
… | …001011111101011010 |
3 | 2222122021001121111020 |
4 | 131012020023331122 |
5 | 1002440234303310 |
6 | 22204013543310 |
7 | 2154121600251 |
oct | 350610137532 |
9 | 88567047436 |
10 | 31241322330 |
11 | 12281a03959 |
12 | 607a7a4b36 |
13 | 2c3b5c6c5a |
14 | 1725253798 |
15 | c2cac8170 |
hex | 74620bf5a |
31241322330 has 32 divisors (see below), whose sum is σ = 75058921728. Its totient is φ = 8322158400.
The previous prime is 31241322319. The next prime is 31241322341. The reversal of 31241322330 is 3322314213.
It is an interprime number because it is at equal distance from previous prime (31241322319) and next prime (31241322341).
It is a self number, because there is not a number n which added to its sum of digits gives 31241322330.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525106 + ... + 581565.
It is an arithmetic number, because the mean of its divisors is an integer number (2345591304).
Almost surely, 231241322330 is an apocalyptic number.
31241322330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31241322330 is an abundant number, since it is smaller than the sum of its proper divisors (43817599398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31241322330 is a wasteful number, since it uses less digits than its factorization.
31241322330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1107622.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 31241322330 its reverse (3322314213), we get a palindrome (34563636543).
The spelling of 31241322330 in words is "thirty-one billion, two hundred forty-one million, three hundred twenty-two thousand, three hundred thirty".
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