Search a number
-
+
131163201 = 32132923143
BaseRepresentation
bin1111101000101…
…10010001000001
3100010210210002100
413310112101001
5232034210301
621003141013
73151604001
oct764262101
9303723070
10131163201
1168046944
1237b14769
1321235080
14135c4001
15b7ad286
hex7d16441

131163201 has 72 divisors (see below), whose sum is σ = 223198976. Its totient is φ = 73664640.

The previous prime is 131163169. The next prime is 131163203. The reversal of 131163201 is 102361131.

131163201 is a `hidden beast` number, since 1 + 31 + 1 + 632 + 0 + 1 = 666.

It is not a de Polignac number, because 131163201 - 25 = 131163169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131163203) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3050286 + ... + 3050328.

Almost surely, 2131163201 is an apocalyptic number.

It is an amenable number.

131163201 is a deficient number, since it is larger than the sum of its proper divisors (92035775).

131163201 is a wasteful number, since it uses less digits than its factorization.

131163201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 131163201 is about 11452.6503919399. The cubic root of 131163201 is about 508.0861255282.

The spelling of 131163201 in words is "one hundred thirty-one million, one hundred sixty-three thousand, two hundred one".

Divisors: 1 3 9 13 29 31 39 43 87 93 117 129 261 279 377 387 403 559 841 899 1131 1209 1247 1333 1677 2523 2697 3393 3627 3741 3999 5031 7569 8091 10933 11223 11687 11997 16211 17329 26071 32799 35061 36163 38657 48633 51987 78213 98397 105183 108489 115971 145899 155961 234639 325467 338923 347913 470119 502541 1016769 1121053 1410357 1507623 3050307 3363159 4231071 4522869 10089477 14573689 43721067 131163201