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131113235 = 5114355439
BaseRepresentation
bin1111101000010…
…10000100010011
3100010201020112202
413310022010103
5232031110420
621002113415
73151305221
oct764120423
9303636482
10131113235
1168012350
1237aab86b
13212183c6
14135adb11
15b79d575
hex7d0a113

131113235 has 16 divisors (see below), whose sum is σ = 175633920. Its totient is φ = 93135840.

The previous prime is 131113223. The next prime is 131113259. The reversal of 131113235 is 532311131.

It is not a de Polignac number, because 131113235 - 28 = 131112979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25355 + ... + 30084.

It is an arithmetic number, because the mean of its divisors is an integer number (10977120).

Almost surely, 2131113235 is an apocalyptic number.

131113235 is a deficient number, since it is larger than the sum of its proper divisors (44520685).

131113235 is a wasteful number, since it uses less digits than its factorization.

131113235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55498.

The product of its digits is 270, while the sum is 20.

The square root of 131113235 is about 11450.4687676968. The cubic root of 131113235 is about 508.0215996665.

Adding to 131113235 its reverse (532311131), we get a palindrome (663424366).

The spelling of 131113235 in words is "one hundred thirty-one million, one hundred thirteen thousand, two hundred thirty-five".

Divisors: 1 5 11 43 55 215 473 2365 55439 277195 609829 2383877 3049145 11919385 26222647 131113235