Search a number
-
+
31200240110 = 25132291048043
BaseRepresentation
bin11101000011101011…
…011110000111101110
32222112101202102021112
4131003223132013232
51002344230140420
622155545232022
72153112444104
oct350353360756
988471672245
1031200240110
11122607a4206
126068a92612
132c32c41950
14171d9dbc74
15c291b08c5
hex743ade1ee

31200240110 has 32 divisors (see below), whose sum is σ = 60744630240. Its totient is φ = 11469771648.

The previous prime is 31200240109. The next prime is 31200240133. The reversal of 31200240110 is 1104200213.

It is a congruent number.

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, 494252 + ... + 553791.

It is an arithmetic number, because the mean of its divisors is an integer number (1898269695).

Almost surely, 231200240110 is an apocalyptic number.

31200240110 is a deficient number, since it is larger than the sum of its proper divisors (29544390130).

31200240110 is a wasteful number, since it uses less digits than its factorization.

31200240110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048292.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 31200240110 its reverse (1104200213), we get a palindrome (32304440323).

The spelling of 31200240110 in words is "thirty-one billion, two hundred million, two hundred forty thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 229 458 1145 2290 2977 5954 14885 29770 1048043 2096086 5240215 10480430 13624559 27249118 68122795 136245590 240001847 480003694 1200009235 2400018470 3120024011 6240048022 15600120055 31200240110