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2103131303 = 721312725997
BaseRepresentation
bin111110101011011…
…0011110010100111
312102120102010202222
41331112303302213
513301400200203
6544405222555
7103055215100
oct17526636247
95376363688
102103131303
1198a187749
124a8401a5b
132769461c0
1415d4633a7
15c4985038
hex7d5b3ca7

2103131303 has 24 divisors (see below), whose sum is σ = 2655539712. Its totient is φ = 1650849984.

The previous prime is 2103131297. The next prime is 2103131363. The reversal of 2103131303 is 3031313012.

It is not a de Polignac number, because 2103131303 - 214 = 2103114919 is a prime.

It is a super-2 number, since 2×21031313032 = 8846322555316955618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103131363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67901 + ... + 93897.

It is an arithmetic number, because the mean of its divisors is an integer number (110647488).

Almost surely, 22103131303 is an apocalyptic number.

2103131303 is a deficient number, since it is larger than the sum of its proper divisors (552408409).

2103131303 is a wasteful number, since it uses less digits than its factorization.

2103131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26151 (or 26144 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 2103131303 is about 45859.9095398148. The cubic root of 2103131303 is about 1281.2153380018.

Adding to 2103131303 its reverse (3031313012), we get a palindrome (5134444315).

The spelling of 2103131303 in words is "two billion, one hundred three million, one hundred thirty-one thousand, three hundred three".

Divisors: 1 7 13 49 91 127 637 889 1651 6223 11557 25997 80899 181979 337961 1273853 2365727 3301619 16560089 23111333 42921047 161779331 300447329 2103131303