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131201111202 = 2372446262283
BaseRepresentation
bin111101000110000110…
…0100001010010100010
3110112122122001000102220
41322030030201102202
54122144441024302
6140134543051510
712323200021200
oct1721414412242
9415578030386
10131201111202
1150707674817
1221516ba0b96
13c4ab997a15
1464c8c08070
15362d51d4bc
hex1e8c3214a2

131201111202 has 24 divisors (see below), whose sum is σ = 305243402256. Its totient is φ = 37486031688.

The previous prime is 131201111201. The next prime is 131201111207. The reversal of 131201111202 is 202111102131.

131201111202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (131201111201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223130848 + ... + 223131435.

It is an arithmetic number, because the mean of its divisors is an integer number (12718475094).

Almost surely, 2131201111202 is an apocalyptic number.

131201111202 is an abundant number, since it is smaller than the sum of its proper divisors (174042291054).

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

131201111202 is a wasteful number, since it uses less digits than its factorization.

131201111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446262302 (or 446262295 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 131201111202 its reverse (202111102131), we get a palindrome (333312213333).

The spelling of 131201111202 in words is "one hundred thirty-one billion, two hundred one million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 446262283 892524566 1338786849 2677573698 3123835981 6247671962 9371507943 18743015886 21866851867 43733703734 65600555601 131201111202