Base | Representation |
---|---|
bin | 11101110010110000100000… |
… | …000111111111101101001110 |
3 | 122011221110221122101122021000 |
4 | 131302300200013333231032 |
5 | 114133304302203430410 |
6 | 1142402554505521130 |
7 | 36412464162426441 |
oct | 3562604007775516 |
9 | 564843848348230 |
10 | 131031401233230 |
11 | 38829118018443 |
12 | 1284291b1a31a6 |
13 | 58162923069b4 |
14 | 244dd4cba3658 |
15 | 1023662973dc0 |
hex | 772c201ffb4e |
131031401233230 has 64 divisors (see below), whose sum is σ = 352682650126080. Its totient is φ = 34615148978592.
The previous prime is 131031401233193. The next prime is 131031401233241. The reversal of 131031401233230 is 32332104130131.
131031401233230 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 3 + 1 + 401 + 23 + 3 + 230 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 131031401233194 and 131031401233203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2267735064 + ... + 2267792843.
It is an arithmetic number, because the mean of its divisors is an integer number (5510666408220).
Almost surely, 2131031401233230 is an apocalyptic number.
131031401233230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131031401233230 is an abundant number, since it is smaller than the sum of its proper divisors (221651248892850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131031401233230 is a wasteful number, since it uses less digits than its factorization.
131031401233230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4535528030 (or 4535528024 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 131031401233230 its reverse (32332104130131), we get a palindrome (163363505363361).
The spelling of 131031401233230 in words is "one hundred thirty-one trillion, thirty-one billion, four hundred one million, two hundred thirty-three thousand, two hundred thirty".
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