Search a number
-
+
103100023231 = 3119957129269
BaseRepresentation
bin110000000000100111…
…1011000000110111111
3100212010012212211122221
41200001033120012333
53142122101220411
6115210303150211
710306625511052
oct1400117300677
9325105784587
10103100023231
113a7a7303477
1217b93ba5367
139950b4520a
144dc0a62a99
152a3648a071
hex18013d81bf

103100023231 has 16 divisors (see below), whose sum is σ = 107151616000. Its totient is φ = 99095594400.

The previous prime is 103100023223. The next prime is 103100023259. The reversal of 103100023231 is 132320001301.

It is a cyclic number.

It is not a de Polignac number, because 103100023231 - 23 = 103100023223 is a prime.

It is a super-2 number, since 2×1031000232312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103100003231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3507865 + ... + 3537133.

It is an arithmetic number, because the mean of its divisors is an integer number (6696976000).

Almost surely, 2103100023231 is an apocalyptic number.

103100023231 is a deficient number, since it is larger than the sum of its proper divisors (4051592769).

103100023231 is a wasteful number, since it uses less digits than its factorization.

103100023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30070.

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

Adding to 103100023231 its reverse (132320001301), we get a palindrome (235420024532).

The spelling of 103100023231 in words is "one hundred three billion, one hundred million, twenty-three thousand, two hundred thirty-one".

Divisors: 1 31 199 571 6169 17701 29269 113629 907339 3522499 5824531 16712599 180560461 518090569 3325807201 103100023231