Base | Representation |
---|---|
bin | 11101010010000001… |
… | …111001111001110111 |
3 | 10000011011210101122101 |
4 | 131102001321321313 |
5 | 1003342344031403 |
6 | 22235505442531 |
7 | 2162065052110 |
oct | 352201717167 |
9 | 100134711571 |
10 | 31441002103 |
11 | 12374698265 |
12 | 6115640447 |
13 | 2c70a9b574 |
14 | 1743991207 |
15 | c403bc71d |
hex | 752079e77 |
31441002103 has 4 divisors (see below), whose sum is σ = 35932573840. Its totient is φ = 26949430368.
The previous prime is 31441002101. The next prime is 31441002133. The reversal of 31441002103 is 30120014413.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 31441002103 - 21 = 31441002101 is a prime.
It is a super-2 number, since 2×314410021032 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31441002101) 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, 2245785858 + ... + 2245785871.
It is an arithmetic number, because the mean of its divisors is an integer number (8983143460).
Almost surely, 231441002103 is an apocalyptic number.
31441002103 is a deficient number, since it is larger than the sum of its proper divisors (4491571737).
31441002103 is an equidigital number, since it uses as much as digits as its factorization.
31441002103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4491571736.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 31441002103 its reverse (30120014413), we get a palindrome (61561016516).
The spelling of 31441002103 in words is "thirty-one billion, four hundred forty-one million, two thousand, one hundred three".
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