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201431103 = 3193533879
BaseRepresentation
bin11000000000110…
…01100000111111
3112001000202112020
430000121200333
5403031243403
631553211223
74664064456
oct1400314077
9461022466
10201431103
11a3780195
1257560b13
1332968803
141ca75b9d
1512a3d453
hexc01983f

201431103 has 8 divisors (see below), whose sum is σ = 282710400. Its totient is φ = 127219608.

The previous prime is 201431101. The next prime is 201431107. The reversal of 201431103 is 301134102.

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

It is not a de Polignac number, because 201431103 - 21 = 201431101 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201431101) 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, 1766883 + ... + 1766996.

It is an arithmetic number, because the mean of its divisors is an integer number (35338800).

Almost surely, 2201431103 is an apocalyptic number.

201431103 is a deficient number, since it is larger than the sum of its proper divisors (81279297).

201431103 is a wasteful number, since it uses less digits than its factorization.

201431103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533901.

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

The square root of 201431103 is about 14192.6425657803. The cubic root of 201431103 is about 586.1950906848.

Adding to 201431103 its reverse (301134102), we get a palindrome (502565205).

The spelling of 201431103 in words is "two hundred one million, four hundred thirty-one thousand, one hundred three".

Divisors: 1 3 19 57 3533879 10601637 67143701 201431103