Search a number
-
+
103131323210 = 25101120185021
BaseRepresentation
bin110000000001100011…
…0110001101101001010
3100212012101210001011102
41200003012301231022
53142203104320320
6115213342101402
710310455532456
oct1400306615512
9325171701142
10103131323210
113a812a41623
1217ba257a862
139957483b06
144dc4c8d666
152a390be175
hex18031b1b4a

103131323210 has 32 divisors (see below), whose sum is σ = 187632671184. Its totient is φ = 40809600000.

The previous prime is 103131323209. The next prime is 103131323263. The reversal of 103131323210 is 12323131301.

It can be written as a sum of positive squares in 8 ways, for example, as 29636655409 + 73494667801 = 172153^2 + 271099^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170500 + ... + 1255520.

Almost surely, 2103131323210 is an apocalyptic number.

103131323210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103131323210 is a deficient number, since it is larger than the sum of its proper divisors (84501347974).

103131323210 is a wasteful number, since it uses less digits than its factorization.

103131323210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86330.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103131323210 its reverse (12323131301), we get a palindrome (115454454511).

The spelling of 103131323210 in words is "one hundred three billion, one hundred thirty-one million, three hundred twenty-three thousand, two hundred ten".

Divisors: 1 2 5 10 101 202 505 1010 1201 2402 6005 12010 85021 121301 170042 242602 425105 606505 850210 1213010 8587121 17174242 42935605 85871210 102110221 204220442 510551105 1021102210 10313132321 20626264642 51565661605 103131323210