131030224109 has 2 divisors, whose sum is σ = 131030224110. Its totient is φ = 131030224108.

The previous prime is 131030224103. The next prime is 131030224147. The reversal of 131030224109 is 901422030131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96528276100 + 34501948009 = 310690^2 + 185747^2 .

It is a cyclic number.

It is not a de Polignac number, because 131030224109 - 2¹⁶ = 131030158573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131030224103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515112054 + 65515112055.

It is an arithmetic number, because the mean of its divisors is an integer number (65515112055).

Almost surely, 2^131030224109 is an apocalyptic number.

It is an amenable number.

131030224109 is a deficient number, since it is larger than the sum of its proper divisors (1).

131030224109 is an equidigital number, since it uses as much as digits as its factorization.

131030224109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 131030224109 in words is "one hundred thirty-one billion, thirty million, two hundred twenty-four thousand, one hundred nine".