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10131313108 = 227313156369
BaseRepresentation
bin10010110111101111…
…11001000111010100
3222011001212000211211
421123313321013110
5131222104004413
64353153111204
7506030512000
oct113367710724
928131760754
1010131313108
114329953544
121b68b58504
13c55c75837
146c1785700
153e469a83d
hex25bdf91d4

10131313108 has 48 divisors (see below), whose sum is σ = 20834352000. Its totient is φ = 4308769920.

The previous prime is 10131313099. The next prime is 10131313109. The reversal of 10131313108 is 80131313101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131313109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151548 + ... + 207916.

It is an arithmetic number, because the mean of its divisors is an integer number (434049000).

Almost surely, 210131313108 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 10131313108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10417176000).

10131313108 is an abundant number, since it is smaller than the sum of its proper divisors (10703038892).

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

10131313108 is a wasteful number, since it uses less digits than its factorization.

10131313108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56525 (or 56509 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 10131313108 its reverse (80131313101), we get a palindrome (90262626209).

The spelling of 10131313108 in words is "ten billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 49 98 131 196 262 343 524 686 917 1372 1834 3668 6419 12838 25676 44933 56369 89866 112738 179732 225476 394583 789166 1578332 2762081 5524162 7384339 11048324 14768678 19334567 29537356 38669134 51690373 77338268 103380746 206761492 361832611 723665222 1447330444 2532828277 5065656554 10131313108