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2303103121 = 112916344293
BaseRepresentation
bin1000100101000110…
…1001000010010001
312221111200202112121
42021101221002101
514204043244441
61020311254241
7111034024234
oct21121510221
95844622477
102303103121
11a82050510
1254337a381
132a91c0717
1417bc3941b
15d72d5dd1
hex89469091

2303103121 has 16 divisors (see below), whose sum is σ = 2615117760. Its totient is φ = 2009085120.

The previous prime is 2303103113. The next prime is 2303103133. The reversal of 2303103121 is 1213013032.

It is a cyclic number.

It is not a de Polignac number, because 2303103121 - 23 = 2303103113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2303103095 and 2303103104.

It is not an unprimeable number, because it can be changed into a prime (2303103421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29851 + ... + 74143.

It is an arithmetic number, because the mean of its divisors is an integer number (163444860).

Almost surely, 22303103121 is an apocalyptic number.

It is an amenable number.

2303103121 is a deficient number, since it is larger than the sum of its proper divisors (312014639).

2303103121 is a wasteful number, since it uses less digits than its factorization.

2303103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44496.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2303103121 is about 47990.6566010510. The cubic root of 2303103121 is about 1320.5994983103.

Adding to 2303103121 its reverse (1213013032), we get a palindrome (3516116153).

It can be divided in two parts, 23031031 and 21, that multiplied together give a triangular number (483651651 = T31101).

The spelling of 2303103121 in words is "two billion, three hundred three million, one hundred three thousand, one hundred twenty-one".

Divisors: 1 11 29 163 319 1793 4727 44293 51997 487223 1284497 7219759 14129467 79417349 209373011 2303103121