131343233 has 8 divisors (see below), whose sum is σ = 155282880. Its totient is φ = 108697680.

The previous prime is 131343227. The next prime is 131343253. The reversal of 131343233 is 332343131.

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

It is not a de Polignac number, because 131343233 - 2²⁰ = 130294657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131343199 and 131343208.

It is not an unprimeable number, because it can be changed into a prime (131343253) 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, 323303 + ... + 323708.

It is an arithmetic number, because the mean of its divisors is an integer number (19410360).

Almost surely, 2^131343233 is an apocalyptic number.

It is an amenable number.

131343233 is a deficient number, since it is larger than the sum of its proper divisors (23939647).

131343233 is an equidigital number, since it uses as much as digits as its factorization.

131343233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647047.

The product of its digits is 1944, while the sum is 23.

The square root of 131343233 is about 11460.5075367542. The cubic root of 131343233 is about 508.3184822201.

Adding to 131343233 its reverse (332343131), we get a palindrome (463686364).

The spelling of 131343233 in words is "one hundred thirty-one million, three hundred forty-three thousand, two hundred thirty-three".