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131011301000 = 2353314226171
BaseRepresentation
bin111101000000011100…
…0011100111010001000
3110112011101212122210102
41322000320130322020
54121302343113000
6140104042504532
712315403453526
oct1720070347210
9415141778712
10131011301000
115061a511588
1221483505148
13c47b56a7a8
1464ab919316
15361ba283d5
hex1e80e1ce88

131011301000 has 64 divisors (see below), whose sum is σ = 316455759360. Its totient is φ = 50714040000.

The previous prime is 131011300999. The next prime is 131011301011. The reversal of 131011301000 is 103110131.

It is a happy 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, 2082086 + ... + 2144085.

It is an arithmetic number, because the mean of its divisors is an integer number (4944621240).

Almost surely, 2131011301000 is an apocalyptic number.

131011301000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131011301000 is an abundant number, since it is smaller than the sum of its proper divisors (185444458360).

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

131011301000 is a wasteful number, since it uses less digits than its factorization.

131011301000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226223 (or 4226209 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 131011301000 its reverse (103110131), we get a palindrome (131114411131).

The spelling of 131011301000 in words is "one hundred thirty-one billion, eleven million, three hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 31 40 50 62 100 124 125 155 200 248 250 310 500 620 775 1000 1240 1550 3100 3875 6200 7750 15500 31000 4226171 8452342 16904684 21130855 33809368 42261710 84523420 105654275 131011301 169046840 211308550 262022602 422617100 524045204 528271375 655056505 845234200 1048090408 1056542750 1310113010 2113085500 2620226020 3275282525 4226171000 5240452040 6550565050 13101130100 16376412625 26202260200 32752825250 65505650500 131011301000