Base | Representation |
---|---|
bin | 100011010111000010101100… |
… | …0011011010100101110100111 |
3 | 1111210021012010112221122120121 |
4 | 1012232011120123110232213 |
5 | 311231404201314412411 |
6 | 3021301134055142411 |
7 | 122341120401501154 |
oct | 10656053033245647 |
9 | 1453235115848517 |
10 | 311030130232231 |
11 | 90116156a82903 |
12 | 2aa73881374a07 |
13 | 10472027b8b347 |
14 | 56b3d1d83722b |
15 | 25e591a2b9571 |
hex | 11ae1586d4ba7 |
311030130232231 has 8 divisors (see below), whose sum is σ = 316130853611664. Its totient is φ = 305929467136320.
The previous prime is 311030130232219. The next prime is 311030130232267. The reversal of 311030130232231 is 132232031030113.
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 311030130232231 - 219 = 311030129707943 is a prime.
It is a super-2 number, since 2×3110301302322312 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 311030130232196 and 311030130232205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (311030130232201) 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, 4608286 + ... + 25363291.
It is an arithmetic number, because the mean of its divisors is an integer number (39516356701458).
Almost surely, 2311030130232231 is an apocalyptic number.
311030130232231 is a deficient number, since it is larger than the sum of its proper divisors (5100723379433).
311030130232231 is a wasteful number, since it uses less digits than its factorization.
311030130232231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30141761.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 311030130232231 its reverse (132232031030113), we get a palindrome (443262161262344).
The spelling of 311030130232231 in words is "three hundred eleven trillion, thirty billion, one hundred thirty million, two hundred thirty-two thousand, two hundred thirty-one".
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