Base | Representation |
---|---|
bin | 11011110000110100011110… |
… | …010001110000110110110111 |
3 | 121000022211221121022120222221 |
4 | 123300310132101300312313 |
5 | 112001010132101343111 |
6 | 1111404540131303211 |
7 | 34501405454631202 |
oct | 3360643621606667 |
9 | 530284847276887 |
10 | 122102133231031 |
11 | 359a6251016148 |
12 | 1184026544ab07 |
13 | 5319249425155 |
14 | 2221abbdda939 |
15 | e1b253c9b371 |
hex | 6f0d1e470db7 |
122102133231031 has 4 divisors (see below), whose sum is σ = 122910756630064. Its totient is φ = 121293509832000.
The previous prime is 122102133230879. The next prime is 122102133231101. The reversal of 122102133231031 is 130132331201221.
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 122102133231031 - 239 = 121552377417143 is a prime.
It is a super-2 number, since 2×1221021332310312 (a number of 29 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 = 122102133230987 and 122102133231005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122102133231431) 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, 404311699290 + ... + 404311699591.
It is an arithmetic number, because the mean of its divisors is an integer number (30727689157516).
Almost surely, 2122102133231031 is an apocalyptic number.
122102133231031 is a deficient number, since it is larger than the sum of its proper divisors (808623399033).
122102133231031 is an equidigital number, since it uses as much as digits as its factorization.
122102133231031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 808623399032.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 122102133231031 its reverse (130132331201221), we get a palindrome (252234464432252).
The spelling of 122102133231031 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred thirty-three million, two hundred thirty-one thousand, thirty-one".
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