131433 has 8 divisors (see below), whose sum is σ = 176928. Its totient is φ = 86784.

The previous prime is 131431. The next prime is 131437. The reversal of 131433 is 334131.

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

It is not a de Polignac number, because 131433 - 2¹ = 131431 is a prime.

131433 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (131431) 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, 466 + ... + 692.

It is an arithmetic number, because the mean of its divisors is an integer number (22116).

2¹³¹⁴³³ is an apocalyptic number.

It is an amenable number.

131433 is a deficient number, since it is larger than the sum of its proper divisors (45495).

131433 is a wasteful number, since it uses less digits than its factorization.

131433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its digits is 108, while the sum is 15.

The square root of 131433 is about 362.5368946742. The cubic root of 131433 is about 50.8434259873.

Adding to 131433 its reverse (334131), we get a palindrome (465564).

The spelling of 131433 in words is "one hundred thirty-one thousand, four hundred thirty-three".