Base | Representation |
---|---|
bin | 110100010111110000011111… |
… | …010010010001000100111001 |
3 | 1010012112102122120121121100121 |
4 | 310113300133102101010321 |
5 | 220142220422421011441 |
6 | 2133512340452333241 |
7 | 66341603445243655 |
oct | 6427603722210471 |
9 | 1105472576547317 |
10 | 230331031032121 |
11 | 67432929333398 |
12 | 219bb844314221 |
13 | 9b6a17a3a59a6 |
14 | 40c411d465a65 |
15 | 1b9668a911dd1 |
hex | d17c1f491139 |
230331031032121 has 4 divisors (see below), whose sum is σ = 231026895174544. Its totient is φ = 229635166889700.
The previous prime is 230331031032019. The next prime is 230331031032139. The reversal of 230331031032121 is 121230130133032.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 230331031032121 - 27 = 230331031031993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230331031032821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347932070715 + ... + 347932071376.
It is an arithmetic number, because the mean of its divisors is an integer number (57756723793636).
Almost surely, 2230331031032121 is an apocalyptic number.
It is an amenable number.
230331031032121 is a deficient number, since it is larger than the sum of its proper divisors (695864142423).
230331031032121 is an equidigital number, since it uses as much as digits as its factorization.
230331031032121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 695864142422.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 230331031032121 its reverse (121230130133032), we get a palindrome (351561161165153).
The spelling of 230331031032121 in words is "two hundred thirty trillion, three hundred thirty-one billion, thirty-one million, thirty-two thousand, one hundred twenty-one".
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