Search a number
-
+
31034240104 = 23710110395281
BaseRepresentation
bin11100111001110010…
…001110110001101000
32222002211101202002011
4130321302032301220
51002024231140404
622131255245304
72146025455060
oct347162166150
988084352064
1031034240104
1112186023a1a
126021379834
132c077301aa
14170594a3a0
15c19820604
hex739c8ec68

31034240104 has 64 divisors (see below), whose sum is σ = 67237747200. Its totient is φ = 13153536000.

The previous prime is 31034240099. The next prime is 31034240123. The reversal of 31034240104 is 40104243013.

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, 5873944 + ... + 5879224.

It is an arithmetic number, because the mean of its divisors is an integer number (1050589800).

Almost surely, 231034240104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31034240104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33618873600).

31034240104 is an abundant number, since it is smaller than the sum of its proper divisors (36203507096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31034240104 is a wasteful number, since it uses less digits than its factorization.

31034240104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434 (or 6430 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31034240104 its reverse (40104243013), we get a palindrome (71138483117).

The spelling of 31034240104 in words is "thirty-one billion, thirty-four million, two hundred forty thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 56 101 202 404 707 808 1039 1414 2078 2828 4156 5281 5656 7273 8312 10562 14546 21124 29092 36967 42248 58184 73934 104939 147868 209878 295736 419756 533381 734573 839512 1066762 1469146 2133524 2938292 3733667 4267048 5486959 5876584 7467334 10973918 14934668 21947836 29869336 38408713 43895672 76817426 153634852 307269704 554182859 1108365718 2216731436 3879280013 4433462872 7758560026 15517120052 31034240104