Base | Representation |
---|---|
bin | 11101110010110000010100… |
… | …001101010110011000011001 |
3 | 122011221110102201012111110120 |
4 | 131302300110031112120121 |
5 | 114133303400013411413 |
6 | 1142402523004503453 |
7 | 36412456214212530 |
oct | 3562602415263031 |
9 | 564843381174416 |
10 | 131031201310233 |
11 | 38829025188324 |
12 | 1284288424ab89 |
13 | 581625ca78773 |
14 | 244dd30401317 |
15 | 1023650132723 |
hex | 772c14356619 |
131031201310233 has 8 divisors (see below), whose sum is σ = 199666592472768. Its totient is φ = 74874972177264.
The previous prime is 131031201310223. The next prime is 131031201310277. The reversal of 131031201310233 is 332013102130131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131031201310233 - 28 = 131031201309977 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131031201310223) 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, 3119790507366 + ... + 3119790507407.
It is an arithmetic number, because the mean of its divisors is an integer number (24958324059096).
Almost surely, 2131031201310233 is an apocalyptic number.
It is an amenable number.
131031201310233 is a deficient number, since it is larger than the sum of its proper divisors (68635391162535).
131031201310233 is an equidigital number, since it uses as much as digits as its factorization.
131031201310233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6239581014783.
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 131031201310233 its reverse (332013102130131), we get a palindrome (463044303440364).
The spelling of 131031201310233 in words is "one hundred thirty-one trillion, thirty-one billion, two hundred one million, three hundred ten thousand, two hundred thirty-three".
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