Search a number
-
+
101103132231 = 3347442318013
BaseRepresentation
bin101111000101000110…
…1110101111001000111
3100122222001101021012000
41132022031311321013
53124024400212411
6114240211000343
710206300305313
oct1361215657107
9318861337160
10101103132231
113997209a732
12177172990b3
1396c3218cca
144c71776b43
15296aedd956
hex178a375e47

101103132231 has 32 divisors (see below), whose sum is σ = 153012357120. Its totient is φ = 65949424992.

The previous prime is 101103132227. The next prime is 101103132233. The reversal of 101103132231 is 132231301101.

101103132231 is a `hidden beast` number, since 10 + 110 + 313 + 2 + 231 = 666.

It is not a de Polignac number, because 101103132231 - 22 = 101103132227 is a prime.

It is a super-2 number, since 2×1011031322312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101103132233) 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, 5603781 + ... + 5621793.

It is an arithmetic number, because the mean of its divisors is an integer number (4781636160).

Almost surely, 2101103132231 is an apocalyptic number.

101103132231 is a deficient number, since it is larger than the sum of its proper divisors (51909224889).

101103132231 is a wasteful number, since it uses less digits than its factorization.

101103132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22492 (or 22486 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101103132231 its reverse (132231301101), we get a palindrome (233334433332).

The spelling of 101103132231 in words is "one hundred one billion, one hundred three million, one hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 3 9 27 47 141 423 1269 4423 13269 18013 39807 54039 119421 162117 207881 486351 623643 846611 1870929 2539833 5612787 7619499 22858497 79671499 239014497 717043491 2151130473 3744560453 11233681359 33701044077 101103132231