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131233234 = 21117350891
BaseRepresentation
bin1111101001001…
…11010111010010
3100010221100011011
413310213113102
5232043430414
621004441134
73152315116
oct764472722
9303840134
10131233234
1168094520
1237b491aa
132125ac02
1413601746
15b7c3dc4
hex7d275d2

131233234 has 16 divisors (see below), whose sum is σ = 227378016. Its totient is φ = 56142400.

The previous prime is 131233229. The next prime is 131233237. The reversal of 131233234 is 432332131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (131233237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175072 + ... + 175819.

It is an arithmetic number, because the mean of its divisors is an integer number (14211126).

Almost surely, 2131233234 is an apocalyptic number.

131233234 is a deficient number, since it is larger than the sum of its proper divisors (96144782).

131233234 is a wasteful number, since it uses less digits than its factorization.

131233234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350921.

The product of its digits is 1296, while the sum is 22.

The square root of 131233234 is about 11455.7074857907. The cubic root of 131233234 is about 508.1765382462.

Adding to 131233234 its reverse (432332131), we get a palindrome (563565365).

The spelling of 131233234 in words is "one hundred thirty-one million, two hundred thirty-three thousand, two hundred thirty-four".

Divisors: 1 2 11 17 22 34 187 374 350891 701782 3859801 5965147 7719602 11930294 65616617 131233234