Search a number
-
+
100303311031 = 7112213588631
BaseRepresentation
bin101110101101010001…
…0110001000010110111
3100120220022101010202121
41131122202301002313
53120410121423111
6114025000020411
710150416035140
oct1353242610267
9316808333677
10100303311031
11395a1671180
1217533461707
1395c65c9621
144bd7456ac7
152920b9e871
hex175a8b10b7

100303311031 has 16 divisors (see below), whose sum is σ = 125110199808. Its totient is φ = 78122973600.

The previous prime is 100303311001. The next prime is 100303311089. The reversal of 100303311031 is 130113303001.

It is not a de Polignac number, because 100303311031 - 211 = 100303308983 is a prime.

It is a super-2 number, since 2×1003033110312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100303310996 and 100303311014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100303311001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123915 + ... + 464716.

It is an arithmetic number, because the mean of its divisors is an integer number (7819387488).

Almost surely, 2100303311031 is an apocalyptic number.

100303311031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100303311031 is a deficient number, since it is larger than the sum of its proper divisors (24806888777).

100303311031 is a wasteful number, since it uses less digits than its factorization.

100303311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590862.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 100303311031 its reverse (130113303001), we get a palindrome (230416614032).

The spelling of 100303311031 in words is "one hundred billion, three hundred three million, three hundred eleven thousand, thirty-one".

Divisors: 1 7 11 77 2213 15491 24343 170401 588631 4120417 6474941 45324587 1302640403 9118482821 14329044433 100303311031