131232140421461 has 2 divisors, whose sum is σ = 131232140421462. Its totient is φ = 131232140421460.

The previous prime is 131232140421377. The next prime is 131232140421541. The reversal of 131232140421461 is 164124041232131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117676717452100 + 13555422969361 = 10847890^2 + 3681769^2 .

It is an emirp because it is prime and its reverse (164124041232131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131232140421461 - 2¹⁴ = 131232140405077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131232140421661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65616070210730 + 65616070210731.

It is an arithmetic number, because the mean of its divisors is an integer number (65616070210731).

Almost surely, 2^{131232140421461} is an apocalyptic number.

It is an amenable number.

131232140421461 is a deficient number, since it is larger than the sum of its proper divisors (1).

131232140421461 is an equidigital number, since it uses as much as digits as its factorization.

131232140421461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 131232140421461 its reverse (164124041232131), we get a palindrome (295356181653592).

The spelling of 131232140421461 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, one hundred forty million, four hundred twenty-one thousand, four hundred sixty-one".