Base | Representation |
---|---|
bin | 11101000101101100… |
… | …110000010111101010 |
3 | 2222121202112021102202 |
4 | 131011230300113222 |
5 | 1002431414201214 |
6 | 22203155500202 |
7 | 2154003510452 |
oct | 350554602752 |
9 | 88552467382 |
10 | 31234131434 |
11 | 12278942270 |
12 | 60782b7662 |
13 | 2c39c79b9c |
14 | 1724300d62 |
15 | c2c1576de |
hex | 745b305ea |
31234131434 has 16 divisors (see below), whose sum is σ = 51121246176. Its totient is φ = 14194318800.
The previous prime is 31234131427. The next prime is 31234131463. The reversal of 31234131434 is 43413143213.
It is a happy number.
It is a super-3 number, since 3×312341314343 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31234131397 and 31234131406.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42977 + ... + 253604.
It is an arithmetic number, because the mean of its divisors is an integer number (3195077886).
Almost surely, 231234131434 is an apocalyptic number.
31234131434 is a deficient number, since it is larger than the sum of its proper divisors (19887114742).
31234131434 is a wasteful number, since it uses less digits than its factorization.
31234131434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 301381.
The product of its digits is 10368, while the sum is 29.
Adding to 31234131434 its reverse (43413143213), we get a palindrome (74647274647).
The spelling of 31234131434 in words is "thirty-one billion, two hundred thirty-four million, one hundred thirty-one thousand, four hundred thirty-four".
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