Base | Representation |
---|---|
bin | 110000000001000000… |
… | …1010000111011100111 |
3 | 100212011010111021000220 |
4 | 1200002001100323213 |
5 | 3142133423213111 |
6 | 115211451335423 |
7 | 10310144616543 |
oct | 1400201207347 |
9 | 325133437026 |
10 | 103113101031 |
11 | 3a803725a76 |
12 | 17b98451573 |
13 | 9953773965 |
14 | 4dc26a8a23 |
15 | 2a376bee06 |
hex | 1802050ee7 |
103113101031 has 16 divisors (see below), whose sum is σ = 138080878848. Its totient is φ = 68443804800.
The previous prime is 103113101011. The next prime is 103113101057. The reversal of 103113101031 is 130101311301.
It is not a de Polignac number, because 103113101031 - 222 = 103108906727 is a prime.
It is a super-2 number, since 2×1031131010312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 103113101031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103113101011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5142816 + ... + 5162826.
It is an arithmetic number, because the mean of its divisors is an integer number (8630054928).
Almost surely, 2103113101031 is an apocalyptic number.
103113101031 is a deficient number, since it is larger than the sum of its proper divisors (34967777817).
103113101031 is a wasteful number, since it uses less digits than its factorization.
103113101031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27382.
The product of its (nonzero) digits is 27, while the sum is 15.
Adding to 103113101031 its reverse (130101311301), we get a palindrome (233214412332).
The spelling of 103113101031 in words is "one hundred three billion, one hundred thirteen million, one hundred one thousand, thirty-one".
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