Base | Representation |
---|---|
bin | 11101001100000001… |
… | …011010101110111010 |
3 | 2222220011010200102101 |
4 | 131030001122232322 |
5 | 1003141043224010 |
6 | 22221505254014 |
7 | 2156432253634 |
oct | 351401325672 |
9 | 88804120371 |
10 | 31340211130 |
11 | 12322806538 |
12 | 60a793430a |
13 | 2c55c3ba37 |
14 | 1734435a54 |
15 | c3660d73a |
hex | 74c05abba |
31340211130 has 16 divisors (see below), whose sum is σ = 56497735944. Its totient is φ = 12517116480.
The previous prime is 31340211073. The next prime is 31340211137. The reversal of 31340211130 is 3111204313.
It can be written as a sum of positive squares in 4 ways, for example, as 23353035489 + 7987175641 = 152817^2 + 89371^2 .
It is a junction number, because it is equal to n+sod(n) for n = 31340211098 and 31340211107.
It is not an unprimeable number, because it can be changed into a prime (31340211137) 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, 2364057 + ... + 2377276.
Almost surely, 231340211130 is an apocalyptic number.
31340211130 is a deficient number, since it is larger than the sum of its proper divisors (25157524814).
31340211130 is a wasteful number, since it uses less digits than its factorization.
31340211130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4742001.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 31340211130 its reverse (3111204313), we get a palindrome (34451415443).
The spelling of 31340211130 in words is "thirty-one billion, three hundred forty million, two hundred eleven thousand, one hundred thirty".
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