Base | Representation |
---|---|
bin | 101111111110100100… |
… | …1010011101011000011 |
3 | 100211221102121112010012 |
4 | 1133331021103223003 |
5 | 3142002004321311 |
6 | 115155410455135 |
7 | 10305132540566 |
oct | 1377511235303 |
9 | 324842545105 |
10 | 103031323331 |
11 | 3a7715501a2 |
12 | 17b74b944ab |
13 | 993c8403a1 |
14 | 4db589c4dd |
15 | 2a3041978b |
hex | 17fd253ac3 |
103031323331 has 4 divisors (see below), whose sum is σ = 103034303664. Its totient is φ = 103028343000.
The previous prime is 103031323301. The next prime is 103031323333. The reversal of 103031323331 is 133323130301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133323130301 = 24889 ⋅5356709.
It is a cyclic number.
It is not a de Polignac number, because 103031323331 - 214 = 103031306947 is a prime.
It is a super-2 number, since 2×1030313233312 (a number of 23 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 = 103031323297 and 103031323306.
It is not an unprimeable number, because it can be changed into a prime (103031323333) 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, 1437695 + ... + 1507656.
It is an arithmetic number, because the mean of its divisors is an integer number (25758575916).
Almost surely, 2103031323331 is an apocalyptic number.
103031323331 is a deficient number, since it is larger than the sum of its proper divisors (2980333).
103031323331 is an equidigital number, since it uses as much as digits as its factorization.
103031323331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2980332.
The product of its (nonzero) digits is 1458, while the sum is 23.
Adding to 103031323331 its reverse (133323130301), we get a palindrome (236354453632).
The spelling of 103031323331 in words is "one hundred three billion, thirty-one million, three hundred twenty-three thousand, three hundred thirty-one".
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