131030771 has 2 divisors, whose sum is σ = 131030772. Its totient is φ = 131030770.

The previous prime is 131030737. The next prime is 131030803. The reversal of 131030771 is 177030131.

It is a strong prime.

It is an emirp because it is prime and its reverse (177030131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131030771 - 2¹⁰ = 131029747 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131030071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515385 + 65515386.

It is an arithmetic number, because the mean of its divisors is an integer number (65515386).

Almost surely, 2^131030771 is an apocalyptic number.

131030771 is a deficient number, since it is larger than the sum of its proper divisors (1).

131030771 is an equidigital number, since it uses as much as digits as its factorization.

131030771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 131030771 is about 11446.8673007072. The cubic root of 131030771 is about 507.9150701737.

The spelling of 131030771 in words is "one hundred thirty-one million, thirty thousand, seven hundred seventy-one".