131240371 has 2 divisors, whose sum is σ = 131240372. Its totient is φ = 131240370.

The previous prime is 131240299. The next prime is 131240377. The reversal of 131240371 is 173042131.

It is a strong prime.

It is an emirp because it is prime and its reverse (173042131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131240371 - 2¹¹ = 131238323 is a prime.

It is not a weakly prime, because it can be changed into another prime (131240377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65620185 + 65620186.

It is an arithmetic number, because the mean of its divisors is an integer number (65620186).

Almost surely, 2^131240371 is an apocalyptic number.

131240371 is a deficient number, since it is larger than the sum of its proper divisors (1).

131240371 is an equidigital number, since it uses as much as digits as its factorization.

131240371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 131240371 is about 11456.0189856686. The cubic root of 131240371 is about 508.1857503187.

The spelling of 131240371 in words is "one hundred thirty-one million, two hundred forty thousand, three hundred seventy-one".