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131031202204 = 2274679685793
BaseRepresentation
bin111101000001000010…
…0010111100110011100
3110112012210022202010001
41322002010113212130
54121322441432304
6140110033224044
712316034561530
oct1720204274634
9415183282101
10131031202204
115062a774661
122148a102024
13c482717c56
1464b0419bc0
15361d659da4
hex1e8211799c

131031202204 has 12 divisors (see below), whose sum is σ = 262062404464. Its totient is φ = 56156229504.

The previous prime is 131031202177. The next prime is 131031202217. The reversal of 131031202204 is 402202130131.

It is a happy number.

131031202204 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2339842869 + ... + 2339842924.

Almost surely, 2131031202204 is an apocalyptic number.

131031202204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131031202204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131031202204 is a wasteful number, since it uses less digits than its factorization.

131031202204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679685804 (or 4679685802 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131031202204 its reverse (402202130131), we get a palindrome (533233332335).

The spelling of 131031202204 in words is "one hundred thirty-one billion, thirty-one million, two hundred two thousand, two hundred four".

Divisors: 1 2 4 7 14 28 4679685793 9359371586 18718743172 32757800551 65515601102 131031202204