Base | Representation |
---|---|
bin | 1011110001101111100… |
… | …0010111001111110111 |
3 | 201100020210220002022011 |
4 | 2330123320113033313 |
5 | 11303333243114111 |
6 | 232541044145051 |
7 | 20421646006420 |
oct | 2743370271767 |
9 | 640223802264 |
10 | 202331223031 |
11 | 78898778603 |
12 | 33268398187 |
13 | 161062a6ba2 |
14 | 9b1595a647 |
15 | 53e2e62021 |
hex | 2f1be173f7 |
202331223031 has 16 divisors (see below), whose sum is σ = 241309555200. Its totient is φ = 165872618208.
The previous prime is 202331223011. The next prime is 202331223037. The reversal of 202331223031 is 130322133202.
It is a cyclic number.
It is not a de Polignac number, because 202331223031 - 227 = 202197005303 is a prime.
It is a super-2 number, since 2×2023312230312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202331222993 and 202331223011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202331223037) 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, 2174460 + ... + 2265598.
It is an arithmetic number, because the mean of its divisors is an integer number (15081847200).
Almost surely, 2202331223031 is an apocalyptic number.
202331223031 is a deficient number, since it is larger than the sum of its proper divisors (38978332169).
202331223031 is a wasteful number, since it uses less digits than its factorization.
202331223031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104958.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 202331223031 its reverse (130322133202), we get a palindrome (332653356233).
The spelling of 202331223031 in words is "two hundred two billion, three hundred thirty-one million, two hundred twenty-three thousand, thirty-one".
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