Base | Representation |
---|---|
bin | 101111100110110000… |
… | …1010100011000100011 |
3 | 100202212202010111201011 |
4 | 1133031201110120203 |
5 | 3133332432430311 |
6 | 114544225121351 |
7 | 10246261210543 |
oct | 1371541243043 |
9 | 322782114634 |
10 | 102232311331 |
11 | 3a3a15246a7 |
12 | 17991489257 |
13 | 9843145117 |
14 | 4d3b70d323 |
15 | 29d51da321 |
hex | 17cd854623 |
102232311331 has 4 divisors (see below), whose sum is σ = 103758166792. Its totient is φ = 100706455872.
The previous prime is 102232311319. The next prime is 102232311361. The reversal of 102232311331 is 133113232201.
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 102232311331 - 25 = 102232311299 is a prime.
It is a super-2 number, since 2×1022323113312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102232311361) 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, 762927630 + ... + 762927763.
It is an arithmetic number, because the mean of its divisors is an integer number (25939541698).
Almost surely, 2102232311331 is an apocalyptic number.
102232311331 is a deficient number, since it is larger than the sum of its proper divisors (1525855461).
102232311331 is an equidigital number, since it uses as much as digits as its factorization.
102232311331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1525855460.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 102232311331 its reverse (133113232201), we get a palindrome (235345543532).
The spelling of 102232311331 in words is "one hundred two billion, two hundred thirty-two million, three hundred eleven thousand, three hundred thirty-one".
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