Base | Representation |
---|---|
bin | 111101111100010101… |
… | …0111000110001010111 |
3 | 110201100110111111200021 |
4 | 1323320222320301113 |
5 | 4134411334323111 |
6 | 141035313530011 |
7 | 12416245636456 |
oct | 1737052706127 |
9 | 421313444607 |
10 | 133021011031 |
11 | 51460990467 |
12 | 21944573907 |
13 | c70ba3471c |
14 | 661c7c0b9d |
15 | 36d81a7d71 |
hex | 1ef8ab8c57 |
133021011031 has 2 divisors, whose sum is σ = 133021011032. Its totient is φ = 133021011030.
The previous prime is 133021011007. The next prime is 133021011047. The reversal of 133021011031 is 130110120331.
It is an a-pointer prime, because the next prime (133021011047) can be obtained adding 133021011031 to its sum of digits (16).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 133021011031 - 29 = 133021010519 is a prime.
It is a super-2 number, since 2×1330210110312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 133021010996 and 133021011014.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (133021012031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66510505515 + 66510505516.
It is an arithmetic number, because the mean of its divisors is an integer number (66510505516).
Almost surely, 2133021011031 is an apocalyptic number.
133021011031 is a deficient number, since it is larger than the sum of its proper divisors (1).
133021011031 is an equidigital number, since it uses as much as digits as its factorization.
133021011031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 133021011031 its reverse (130110120331), we get a palindrome (263131131362).
The spelling of 133021011031 in words is "one hundred thirty-three billion, twenty-one million, eleven thousand, thirty-one".
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