131420333 has 4 divisors (see below), whose sum is σ = 143367648. Its totient is φ = 119473020.

The previous prime is 131420327. The next prime is 131420339. The reversal of 131420333 is 333024131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 333024131 = 11 ⋅30274921.

It is an interprime number because it is at equal distance from previous prime (131420327) and next prime (131420339).

It is a cyclic number.

It is not a de Polignac number, because 131420333 - 2⁶ = 131420269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131420339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5973641 + ... + 5973662.

It is an arithmetic number, because the mean of its divisors is an integer number (35841912).

Almost surely, 2^131420333 is an apocalyptic number.

It is an amenable number.

131420333 is a deficient number, since it is larger than the sum of its proper divisors (11947315).

131420333 is a wasteful number, since it uses less digits than its factorization.

131420333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11947314.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 131420333 is about 11463.8707686366. The cubic root of 131420333 is about 508.4179257113.

Adding to 131420333 its reverse (333024131), we get a palindrome (464444464).

The spelling of 131420333 in words is "one hundred thirty-one million, four hundred twenty thousand, three hundred thirty-three".