131140213 has 2 divisors, whose sum is σ = 131140214. Its totient is φ = 131140212.

The previous prime is 131140211. The next prime is 131140241. The reversal of 131140213 is 312041131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65966884 + 65173329 = 8122^2 + 8073^2 .

It is a cyclic number.

It is not a de Polignac number, because 131140213 - 2¹ = 131140211 is a prime.

Together with 131140211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131140211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65570106 + 65570107.

It is an arithmetic number, because the mean of its divisors is an integer number (65570107).

Almost surely, 2^131140213 is an apocalyptic number.

It is an amenable number.

131140213 is a deficient number, since it is larger than the sum of its proper divisors (1).

131140213 is an equidigital number, since it uses as much as digits as its factorization.

131140213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131140213 is about 11451.6467374784. The cubic root of 131140213 is about 508.0564409668.

Adding to 131140213 its reverse (312041131), we get a palindrome (443181344).

The spelling of 131140213 in words is "one hundred thirty-one million, one hundred forty thousand, two hundred thirteen".