Base | Representation |
---|---|
bin | 11101000101101100… |
… | …101011111100011111 |
3 | 2222121202111100120112 |
4 | 131011230223330133 |
5 | 1002431413111221 |
6 | 22203155240235 |
7 | 2154003403562 |
oct | 350554537437 |
9 | 88552440515 |
10 | 31234113311 |
11 | 1227892a695 |
12 | 60782a907b |
13 | 2c39c7186b |
14 | 17242d84d9 |
15 | c2c15215b |
hex | 745b2bf1f |
31234113311 has 8 divisors (see below), whose sum is σ = 33078207024. Its totient is φ = 29390774400.
The previous prime is 31234113283. The next prime is 31234113331. The reversal of 31234113311 is 11331143213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31234113311 - 226 = 31167004447 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31234113331) 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, 102365 + ... + 270086.
It is an arithmetic number, because the mean of its divisors is an integer number (4134775878).
Almost surely, 231234113311 is an apocalyptic number.
31234113311 is a deficient number, since it is larger than the sum of its proper divisors (1844093713).
31234113311 is a wasteful number, since it uses less digits than its factorization.
31234113311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 377401.
The product of its digits is 648, while the sum is 23.
Adding to 31234113311 its reverse (11331143213), we get a palindrome (42565256524).
The spelling of 31234113311 in words is "thirty-one billion, two hundred thirty-four million, one hundred thirteen thousand, three hundred eleven".
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