131083433 has 4 divisors (see below), whose sum is σ = 141166788. Its totient is φ = 121000080.

The previous prime is 131083429. The next prime is 131083441. The reversal of 131083433 is 334380131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334380131 = 4751 ⋅70381.

It can be written as a sum of positive squares in 2 ways, for example, as 42667024 + 88416409 = 6532^2 + 9403^2 .

It is a cyclic number.

It is not a de Polignac number, because 131083433 - 2² = 131083429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131083483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5041658 + ... + 5041683.

It is an arithmetic number, because the mean of its divisors is an integer number (35291697).

Almost surely, 2^131083433 is an apocalyptic number.

131083433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131083433 is a deficient number, since it is larger than the sum of its proper divisors (10083355).

131083433 is a wasteful number, since it uses less digits than its factorization.

131083433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10083354.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 131083433 is about 11449.1673496373. The cubic root of 131083433 is about 507.9831056960.

The spelling of 131083433 in words is "one hundred thirty-one million, eighty-three thousand, four hundred thirty-three".