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203104131 = 3169339989
BaseRepresentation
bin11000001101100…
…01111110000011
3112011011202111020
430012301332003
5403443313011
632053120523
75014233216
oct1406617603
9464152436
10203104131
11a471315a
1258029143
1333103179
141cd8d77d
1512c6e006
hexc1b1f83

203104131 has 8 divisors (see below), whose sum is σ = 270972240. Its totient is φ = 135319392.

The previous prime is 203104127. The next prime is 203104133. The reversal of 203104131 is 131401302.

203104131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203104131 - 22 = 203104127 is a prime.

It is a super-2 number, since 2×2031041312 = 82502576058530322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203104131.

It is not an unprimeable number, because it can be changed into a prime (203104133) 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, 14916 + ... + 25073.

It is an arithmetic number, because the mean of its divisors is an integer number (33871530).

Almost surely, 2203104131 is an apocalyptic number.

203104131 is a deficient number, since it is larger than the sum of its proper divisors (67868109).

203104131 is a wasteful number, since it uses less digits than its factorization.

203104131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41685.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 203104131 is about 14251.4606619813. The cubic root of 203104131 is about 587.8135399572.

Adding to 203104131 its reverse (131401302), we get a palindrome (334505433).

The spelling of 203104131 in words is "two hundred three million, one hundred four thousand, one hundred thirty-one".

Divisors: 1 3 1693 5079 39989 119967 67701377 203104131