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131011113312200 = 2352112319971296521
BaseRepresentation
bin11101110010011101100110…
…110111101101111111001000
3122011212112120202002110121102
4131302131212313231333020
5114132441230001442300
61142345401413200532
736411145343101562
oct3562354667557710
9564775522073542
10131011113312200
1138820557015060
121283a9b8930148
1358143ab0a01b4
14244cd86570332
151022d767d30d5
hex772766dedfc8

131011113312200 has 192 divisors, whose sum is σ = 346913192027520. Its totient is φ = 45546228992000.

The previous prime is 131011113312199. The next prime is 131011113312241. The reversal of 131011113312200 is 2213311110131.

It is a super-2 number, since 2×1310111133122002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100399940 + ... + 101696460.

It is an arithmetic number, because the mean of its divisors is an integer number (1806839541810).

Almost surely, 2131011113312200 is an apocalyptic number.

131011113312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131011113312200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173456596013760).

131011113312200 is an abundant number, since it is smaller than the sum of its proper divisors (215902078715320).

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

131011113312200 is a wasteful number, since it uses less digits than its factorization.

131011113312200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298568 (or 1298559 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 131011113312200 its reverse (2213311110131), we get a palindrome (133224424422331).

The spelling of 131011113312200 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirteen million, three hundred twelve thousand, two hundred".