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2112131301 = 37743135367
BaseRepresentation
bin111110111100100…
…1001000011100101
312110012100101110020
41331321021003211
513311201200201
6545330145353
7103224551130
oct17571110345
95405311406
102112131301
11994274565
124ab422259
13278777847
14160727217
15c5661a36
hex7de490e5

2112131301 has 16 divisors (see below), whose sum is σ = 3222841344. Its totient is φ = 1205298864.

The previous prime is 2112131299. The next prime is 2112131303. The reversal of 2112131301 is 1031312112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2112131299) and next prime (2112131303).

It is not a de Polignac number, because 2112131301 - 21 = 2112131299 is a prime.

It is a super-2 number, since 2×21121313012 = 8922197265327905202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112131303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52081 + ... + 83286.

It is an arithmetic number, because the mean of its divisors is an integer number (201427584).

Almost surely, 22112131301 is an apocalyptic number.

2112131301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2112131301 is a deficient number, since it is larger than the sum of its proper divisors (1110710043).

2112131301 is a wasteful number, since it uses less digits than its factorization.

2112131301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136120.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2112131301 is about 45957.9296857463. The cubic root of 2112131301 is about 1283.0403193555.

Adding to 2112131301 its reverse (1031312112), we get a palindrome (3143443413).

The spelling of 2112131301 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 3 7 21 743 2229 5201 15603 135367 406101 947569 2842707 100577681 301733043 704043767 2112131301