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131303334 = 2352341843
BaseRepresentation
bin1111101001110…
…00011110100110
3100011001220022110
413310320132212
5232103201314
621010141450
73153026361
oct764703646
9304056273
10131303334
1168132158
1237b81886
1321283aa6
141361d0d8
15b7d9a59
hex7d387a6

131303334 has 16 divisors (see below), whose sum is σ = 263115072. Its totient is φ = 43683048.

The previous prime is 131303327. The next prime is 131303363. The reversal of 131303334 is 433303131.

It is a self number, because there is not a number n which added to its sum of digits gives 131303334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17784 + ... + 24059.

It is an arithmetic number, because the mean of its divisors is an integer number (16444692).

Almost surely, 2131303334 is an apocalyptic number.

131303334 is an abundant number, since it is smaller than the sum of its proper divisors (131811738).

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

131303334 is a wasteful number, since it uses less digits than its factorization.

131303334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42371.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 131303334 is about 11458.7666875628. The cubic root of 131303334 is about 508.2670052548.

Adding to 131303334 its reverse (433303131), we get a palindrome (564606465).

The spelling of 131303334 in words is "one hundred thirty-one million, three hundred three thousand, three hundred thirty-four".

Divisors: 1 2 3 6 523 1046 1569 3138 41843 83686 125529 251058 21883889 43767778 65651667 131303334