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131304232105 = 598207267403
BaseRepresentation
bin111101001001001010…
…1111001010010101001
3110112220211002002201121
41322102111321102221
54122402340411410
6140153105215241
712325561362214
oct1722225712251
9415824062647
10131304232105
115075a8a8002
1221545631521
13c4c7161bc7
1464d87ac77b
1536375dc9da
hex1e925794a9

131304232105 has 8 divisors (see below), whose sum is σ = 157567272192. Its totient is φ = 105041923248.

The previous prime is 131304232097. The next prime is 131304232177. The reversal of 131304232105 is 501232403131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131304232105 - 23 = 131304232097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131304232105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357334 + ... + 624736.

It is an arithmetic number, because the mean of its divisors is an integer number (19695909024).

Almost surely, 2131304232105 is an apocalyptic number.

It is an amenable number.

131304232105 is a deficient number, since it is larger than the sum of its proper divisors (26263040087).

131304232105 is an equidigital number, since it uses as much as digits as its factorization.

131304232105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365615.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 131304232105 its reverse (501232403131), we get a palindrome (632536635236).

The spelling of 131304232105 in words is "one hundred thirty-one billion, three hundred four million, two hundred thirty-two thousand, one hundred five".

Divisors: 1 5 98207 267403 491035 1337015 26260846421 131304232105