131280371 has 2 divisors, whose sum is σ = 131280372. Its totient is φ = 131280370.

The previous prime is 131280301. The next prime is 131280377. The reversal of 131280371 is 173082131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131280371 - 2²⁶ = 64171507 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131280371.

It is not a weakly prime, because it can be changed into another prime (131280377) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65640185 + 65640186.

It is an arithmetic number, because the mean of its divisors is an integer number (65640186).

Almost surely, 2^131280371 is an apocalyptic number.

131280371 is a deficient number, since it is larger than the sum of its proper divisors (1).

131280371 is an equidigital number, since it uses as much as digits as its factorization.

131280371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 131280371 is about 11457.7646598278. The cubic root of 131280371 is about 508.2373740811.

The spelling of 131280371 in words is "one hundred thirty-one million, two hundred eighty thousand, three hundred seventy-one".