Base | Representation |
---|---|
bin | 110000000100010000… |
… | …1110111110111101111 |
3 | 100212102201222202220120 |
4 | 1200020201313313233 |
5 | 3142344402444211 |
6 | 115230352220023 |
7 | 10312642115250 |
oct | 1401041676757 |
9 | 325381882816 |
10 | 103222312431 |
11 | 3a85a339127 |
12 | 18008b3a613 |
13 | 99702910a4 |
14 | 4dd2db6b27 |
15 | 2a42093d06 |
hex | 1808877def |
103222312431 has 32 divisors (see below), whose sum is σ = 158024355840. Its totient is φ = 58709822976.
The previous prime is 103222312357. The next prime is 103222312433. The reversal of 103222312431 is 134213222301.
It is not a de Polignac number, because 103222312431 - 213 = 103222304239 is a prime.
It is a super-2 number, since 2×1032223124312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103222312433) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4283725 + ... + 4307753.
It is an arithmetic number, because the mean of its divisors is an integer number (4938261120).
Almost surely, 2103222312431 is an apocalyptic number.
103222312431 is a deficient number, since it is larger than the sum of its proper divisors (54802043409).
103222312431 is a wasteful number, since it uses less digits than its factorization.
103222312431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24983.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 103222312431 its reverse (134213222301), we get a palindrome (237435534732).
The spelling of 103222312431 in words is "one hundred three billion, two hundred twenty-two million, three hundred twelve thousand, four hundred thirty-one".
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