Base | Representation |
---|---|
bin | 11101110010100110001010… |
… | …100000000101011110100011 |
3 | 122011220102022001101221212011 |
4 | 131302212022200011132203 |
5 | 114133114034031000311 |
6 | 1142353521222013351 |
7 | 36411622125320665 |
oct | 3562461240053643 |
9 | 564812261357764 |
10 | 131020301031331 |
11 | 38824441270468 |
12 | 12840741877257 |
13 | 58152136c79aa |
14 | 244d5b888c535 |
15 | 10232131e0321 |
hex | 77298a8057a3 |
131020301031331 has 8 divisors (see below), whose sum is σ = 134561542004624. Its totient is φ = 127479068045280.
The previous prime is 131020301031287. The next prime is 131020301031439. The reversal of 131020301031331 is 133130103020131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131020301031331 - 217 = 131020300900259 is a prime.
It is a super-2 number, since 2×1310203010313312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131020301091331) 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, 47836696 + ... + 50501386.
It is an arithmetic number, because the mean of its divisors is an integer number (16820192750578).
Almost surely, 2131020301031331 is an apocalyptic number.
131020301031331 is a deficient number, since it is larger than the sum of its proper divisors (3541240973293).
131020301031331 is a wasteful number, since it uses less digits than its factorization.
131020301031331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3993621.
The product of its (nonzero) digits is 486, while the sum is 22.
Adding to 131020301031331 its reverse (133130103020131), we get a palindrome (264150404051462).
The spelling of 131020301031331 in words is "one hundred thirty-one trillion, twenty billion, three hundred one million, thirty-one thousand, three hundred thirty-one".
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