Base | Representation |
---|---|
bin | 1101011001010001001… |
… | …0010101101111111011 |
3 | 210222222112110020001001 |
4 | 3112110102111233323 |
5 | 12232242000233311 |
6 | 253414405505431 |
7 | 22424421044611 |
oct | 3262422255773 |
9 | 728875406031 |
10 | 230121102331 |
11 | 896593aa1aa |
12 | 38723112277 |
13 | 18914805b53 |
14 | b1d06516b1 |
15 | 5ebca204c1 |
hex | 3594495bfb |
230121102331 has 4 divisors (see below), whose sum is σ = 231289229952. Its totient is φ = 228952974712.
The previous prime is 230121102329. The next prime is 230121102347. The reversal of 230121102331 is 133201121032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230121102331 - 21 = 230121102329 is a prime.
It is a super-2 number, since 2×2301211023312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230121102299 and 230121102308.
It is not an unprimeable number, because it can be changed into a prime (230121192331) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584063515 + ... + 584063908.
It is an arithmetic number, because the mean of its divisors is an integer number (57822307488).
Almost surely, 2230121102331 is an apocalyptic number.
230121102331 is a deficient number, since it is larger than the sum of its proper divisors (1168127621).
230121102331 is a wasteful number, since it uses less digits than its factorization.
230121102331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1168127620.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 230121102331 its reverse (133201121032), we get a palindrome (363322223363).
The spelling of 230121102331 in words is "two hundred thirty billion, one hundred twenty-one million, one hundred two thousand, three hundred thirty-one".
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