131340030061 has 2 divisors, whose sum is σ = 131340030062. Its totient is φ = 131340030060.

The previous prime is 131340030011. The next prime is 131340030127. The reversal of 131340030061 is 160030043131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118973255625 + 12366774436 = 344925^2 + 111206^2 .

It is a cyclic number.

It is not a de Polignac number, because 131340030061 - 2¹¹ = 131340028013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131340030011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65670015030 + 65670015031.

It is an arithmetic number, because the mean of its divisors is an integer number (65670015031).

Almost surely, 2^131340030061 is an apocalyptic number.

It is an amenable number.

131340030061 is a deficient number, since it is larger than the sum of its proper divisors (1).

131340030061 is an equidigital number, since it uses as much as digits as its factorization.

131340030061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131340030061 its reverse (160030043131), we get a palindrome (291370073192).

The spelling of 131340030061 in words is "one hundred thirty-one billion, three hundred forty million, thirty thousand, sixty-one".