131133 has 4 divisors (see below), whose sum is σ = 174848. Its totient is φ = 87420.

The previous prime is 131129. The next prime is 131143. The reversal of 131133 is 331131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131133 - 2² = 131129 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131113) 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, 21853 + ... + 21858.

It is an arithmetic number, because the mean of its divisors is an integer number (43712).

2¹³¹¹³³ is an apocalyptic number.

It is an amenable number.

131133 is a deficient number, since it is larger than the sum of its proper divisors (43715).

131133 is an equidigital number, since it uses as much as digits as its factorization.

131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43714.

The product of its digits is 27, while the sum is 12.

The square root of 131133 is about 362.1229073119. The cubic root of 131133 is about 50.8047126056.

Adding to 131133 its reverse (331131), we get a palindrome (462264).

The spelling of 131133 in words is "one hundred thirty-one thousand, one hundred thirty-three".