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131083 = 472789
BaseRepresentation
bin100000000000001011
320122210221
4200000023
513143313
62450511
71054111
oct400013
9218727
10131083
118a537
1263a37
1347884
1435ab1
1528c8d
hex2000b

131083 has 4 divisors (see below), whose sum is σ = 133920. Its totient is φ = 128248.

The previous prime is 131071. The next prime is 131101. The reversal of 131083 is 380131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131083 - 213 = 122891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348 + ... + 1441.

It is an arithmetic number, because the mean of its divisors is an integer number (33480).

2131083 is an apocalyptic number.

131083 is a deficient number, since it is larger than the sum of its proper divisors (2837).

131083 is an equidigital number, since it uses as much as digits as its factorization.

131083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131083 is about 362.0538633960. The cubic root of 131083 is about 50.7982546365.

The spelling of 131083 in words is "one hundred thirty-one thousand, eighty-three".

Divisors: 1 47 2789 131083