131223300097 has 2 divisors, whose sum is σ = 131223300098. Its totient is φ = 131223300096.

The previous prime is 131223300053. The next prime is 131223300133. The reversal of 131223300097 is 790003322131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92114678016 + 39108622081 = 303504^2 + 197759^2 .

It is a cyclic number.

It is not a de Polignac number, because 131223300097 - 2²³ = 131214911489 is a prime.

It is not a weakly prime, because it can be changed into another prime (131223300497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65611650048 + 65611650049.

It is an arithmetic number, because the mean of its divisors is an integer number (65611650049).

Almost surely, 2^131223300097 is an apocalyptic number.

It is an amenable number.

131223300097 is a deficient number, since it is larger than the sum of its proper divisors (1).

131223300097 is an equidigital number, since it uses as much as digits as its factorization.

131223300097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 131223300097 in words is "one hundred thirty-one billion, two hundred twenty-three million, three hundred thousand, ninety-seven".