131207333 has 8 divisors (see below), whose sum is σ = 132653400. Its totient is φ = 129765888.

The previous prime is 131207317. The next prime is 131207347. The reversal of 131207333 is 333702131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20052484 + 111154849 = 4478^2 + 10543^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 131207333 - 2⁴ = 131207317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131207299 and 131207308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131207393) 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, 109385 + ... + 110577.

It is an arithmetic number, because the mean of its divisors is an integer number (16581675).

Almost surely, 2^131207333 is an apocalyptic number.

It is an amenable number.

131207333 is a deficient number, since it is larger than the sum of its proper divisors (1446067).

131207333 is a wasteful number, since it uses less digits than its factorization.

131207333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 131207333 is about 11454.5769454834. The cubic root of 131207333 is about 508.1431037618.

Adding to 131207333 its reverse (333702131), we get a palindrome (464909464).

The spelling of 131207333 in words is "one hundred thirty-one million, two hundred seven thousand, three hundred thirty-three".