131143133 has 32 divisors (see below), whose sum is σ = 156280320. Its totient is φ = 108864000.

The previous prime is 131143123. The next prime is 131143141. The reversal of 131143133 is 331341131.

It is a cyclic number.

It is not a de Polignac number, because 131143133 - 2⁶ = 131143069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131143123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483788 + ... + 484058.

It is an arithmetic number, because the mean of its divisors is an integer number (4883760).

Almost surely, 2^131143133 is an apocalyptic number.

It is an amenable number.

131143133 is a deficient number, since it is larger than the sum of its proper divisors (25137187).

131143133 is a wasteful number, since it uses less digits than its factorization.

131143133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its digits is 324, while the sum is 20.

The square root of 131143133 is about 11451.7742293498. The cubic root of 131143133 is about 508.0602117751.

Adding to 131143133 its reverse (331341131), we get a palindrome (462484264).

It can be divided in two parts, 1311 and 43133, that added together give a palindrome (44444).

The spelling of 131143133 in words is "one hundred thirty-one million, one hundred forty-three thousand, one hundred thirty-three".