131344333 has 2 divisors, whose sum is σ = 131344334. Its totient is φ = 131344332.

The previous prime is 131344271. The next prime is 131344337. The reversal of 131344333 is 333443131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78535044 + 52809289 = 8862^2 + 7267^2 .

It is a cyclic number.

It is not a de Polignac number, because 131344333 - 2¹⁷ = 131213261 is a prime.

It is a super-2 number, since 2×131344333² = 34502667622429778, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131344298 and 131344307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131344337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65672166 + 65672167.

It is an arithmetic number, because the mean of its divisors is an integer number (65672167).

Almost surely, 2^131344333 is an apocalyptic number.

It is an amenable number.

131344333 is a deficient number, since it is larger than the sum of its proper divisors (1).

131344333 is an equidigital number, since it uses as much as digits as its factorization.

131344333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 25.

The square root of 131344333 is about 11460.5555275475. Note that the first 4 decimals coincide. The cubic root of 131344333 is about 508.3199012725.

Adding to 131344333 its reverse (333443131), we get a palindrome (464787464).

The spelling of 131344333 in words is "one hundred thirty-one million, three hundred forty-four thousand, three hundred thirty-three".