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131113304 = 2372341309
BaseRepresentation
bin1111101000010…
…10000101011000
3100010201020122022
413310022011120
5232031111204
621002114012
73151305350
oct764120530
9303636568
10131113304
1168012403
1237aab908
132121844a
14135adb60
15b79d5be
hex7d0a158

131113304 has 16 divisors (see below), whose sum is σ = 280957200. Its totient is φ = 56191392.

The previous prime is 131113303. The next prime is 131113349. The reversal of 131113304 is 403311131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131113303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170599 + ... + 1170710.

It is an arithmetic number, because the mean of its divisors is an integer number (17559825).

Almost surely, 2131113304 is an apocalyptic number.

131113304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131113304 is an abundant number, since it is smaller than the sum of its proper divisors (149843896).

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

131113304 is a wasteful number, since it uses less digits than its factorization.

131113304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341322 (or 2341318 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 131113304 is about 11450.4717806735. The cubic root of 131113304 is about 508.0216887840.

Adding to 131113304 its reverse (403311131), we get a palindrome (534424435).

The spelling of 131113304 in words is "one hundred thirty-one million, one hundred thirteen thousand, three hundred four".

Divisors: 1 2 4 7 8 14 28 56 2341309 4682618 9365236 16389163 18730472 32778326 65556652 131113304