Base | Representation |
---|---|
bin | 1101011100101010000… |
… | …1110100100000010100 |
3 | 211002022221211102111102 |
4 | 3113022201310200110 |
5 | 12241122432131012 |
6 | 254044554525232 |
7 | 22456111130105 |
oct | 3271241644024 |
9 | 732287742442 |
10 | 231031130132 |
11 | 89a860605a0 |
12 | 38937a36818 |
13 | 18a2b20093a |
14 | b27945c3ac |
15 | 602287d2c2 |
hex | 35ca874814 |
231031130132 has 48 divisors (see below), whose sum is σ = 445551079680. Its totient is φ = 103945296000.
The previous prime is 231031130123. The next prime is 231031130293.
231031130132 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27935294 + ... + 27943562.
It is an arithmetic number, because the mean of its divisors is an integer number (9282314160).
Almost surely, 2231031130132 is an apocalyptic number.
231031130132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
231031130132 is a deficient number, since it is larger than the sum of its proper divisors (214519949548).
231031130132 is a wasteful number, since it uses less digits than its factorization.
231031130132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14672 (or 14670 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
It can be divided in two parts, 231031 and 130132, that added together give a palindrome (361163).
The spelling of 231031130132 in words is "two hundred thirty-one billion, thirty-one million, one hundred thirty thousand, one hundred thirty-two".
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