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302031431103 = 31511105960289
BaseRepresentation
bin1000110010100100111…
…10011110010110111111
31001212121002102102100010
410121102132132112333
514422030021243403
6350430141434303
730551422543113
oct4312236362677
91055532372303
10302031431103
111070aa961586
124a65186b993
132263495c44c
1410892c5d743
157ccabce603
hex465279e5bf

302031431103 has 16 divisors (see below), whose sum is σ = 405418899200. Its totient is φ = 199999411200.

The previous prime is 302031431101. The next prime is 302031431113. The reversal of 302031431103 is 301134130203.

It is not a de Polignac number, because 302031431103 - 21 = 302031431101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 302031431103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302031431101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4979583 + ... + 5039871.

It is an arithmetic number, because the mean of its divisors is an integer number (25338681200).

Almost surely, 2302031431103 is an apocalyptic number.

302031431103 is a deficient number, since it is larger than the sum of its proper divisors (103387468097).

302031431103 is a wasteful number, since it uses less digits than its factorization.

302031431103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71502.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 302031431103 its reverse (301134130203), we get a palindrome (603165561306).

The spelling of 302031431103 in words is "three hundred two billion, thirty-one million, four hundred thirty-one thousand, one hundred three".

Divisors: 1 3 151 453 11059 33177 60289 180867 1669909 5009727 9103639 27310917 666736051 2000208153 100677143701 302031431103