Base | Representation |
---|---|
bin | 11101110110101101101010… |
… | …100001010110000011111111 |
3 | 122012220110121000120012222010 |
4 | 131312231222201112003333 |
5 | 114202233004434111111 |
6 | 1143131512221422303 |
7 | 36441226333563534 |
oct | 3566555241260377 |
9 | 565813530505863 |
10 | 131303232332031 |
11 | 3892342a646301 |
12 | 12887542a0a993 |
13 | 5835ac322b716 |
14 | 245d178b4ad8b |
15 | 102a772156aa6 |
hex | 776b6a8560ff |
131303232332031 has 16 divisors (see below), whose sum is σ = 185372187587424. Its totient is φ = 82385044783104.
The previous prime is 131303232331991. The next prime is 131303232332059. The reversal of 131303232332031 is 130233232303131.
It is not a de Polignac number, because 131303232332031 - 26 = 131303232331967 is a prime.
It is a super-2 number, since 2×1313032323320312 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 131303232332031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131303232132031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16990480 + ... + 23479413.
It is an arithmetic number, because the mean of its divisors is an integer number (11585761724214).
Almost surely, 2131303232332031 is an apocalyptic number.
131303232332031 is a deficient number, since it is larger than the sum of its proper divisors (54068955255393).
131303232332031 is a wasteful number, since it uses less digits than its factorization.
131303232332031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40533530.
The product of its (nonzero) digits is 17496, while the sum is 30.
Adding to 131303232332031 its reverse (130233232303131), we get a palindrome (261536464635162).
The spelling of 131303232332031 in words is "one hundred thirty-one trillion, three hundred three billion, two hundred thirty-two million, three hundred thirty-two thousand, thirty-one".
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