Search a number
-
+
101031131103 = 3729790720981
BaseRepresentation
bin101111000010111101…
…1001011011111011111
3100122210000220020012120
41132011323023133133
53123402432143403
6114225115434023
710204434305430
oct1360573133737
9318700806176
10101031131103
1139935492171
12176b7155913
1396b13296a6
144c65d93487
152964a19e53
hex1785ecb7df

101031131103 has 32 divisors (see below), whose sum is σ = 159288629760. Its totient is φ = 55731607680.

The previous prime is 101031131023. The next prime is 101031131143. The reversal of 101031131103 is 301131130101.

It is not a de Polignac number, because 101031131103 - 226 = 100964022239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031131143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4804873 + ... + 4825853.

It is an arithmetic number, because the mean of its divisors is an integer number (4977769680).

Almost surely, 2101031131103 is an apocalyptic number.

101031131103 is a deficient number, since it is larger than the sum of its proper divisors (58257498657).

101031131103 is a wasteful number, since it uses less digits than its factorization.

101031131103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28927.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 101031131103 its reverse (301131130101), we get a palindrome (402162261204).

The spelling of 101031131103 in words is "one hundred one billion, thirty-one million, one hundred thirty-one thousand, one hundred three".

Divisors: 1 3 7 21 29 87 203 609 7907 20981 23721 55349 62943 146867 166047 229303 440601 608449 687909 1605121 1825347 4259143 4815363 12777429 165896767 497690301 1161277369 3483832107 4811006243 14433018729 33677043701 101031131103