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131332220202 = 2326383227009
BaseRepresentation
bin111101001010000000…
…0101010010100101010
3110112222202202001011210
41322110000222110222
54122432022021302
6140155545133550
712326351311161
oct1722400522452
9415882661153
10131332220202
1150774683967
1221552a8a2b6
13c4ccbb1201
1464dc3b63d8
153639cba66c
hex1e9402a52a

131332220202 has 16 divisors (see below), whose sum is σ = 263663167680. Its totient is φ = 43610952192.

The previous prime is 131332220183. The next prime is 131332220231. The reversal of 131332220202 is 202022233131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41611927 + ... + 41615082.

It is an arithmetic number, because the mean of its divisors is an integer number (16478947980).

Almost surely, 2131332220202 is an apocalyptic number.

131332220202 is an abundant number, since it is smaller than the sum of its proper divisors (132330947478).

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

131332220202 is a wasteful number, since it uses less digits than its factorization.

131332220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83227277.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 131332220202 its reverse (202022233131), we get a palindrome (333354453333).

The spelling of 131332220202 in words is "one hundred thirty-one billion, three hundred thirty-two million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 263 526 789 1578 83227009 166454018 249681027 499362054 21888703367 43777406734 65666110101 131332220202