131617234997 has 2 divisors, whose sum is σ = 131617234998. Its totient is φ = 131617234996.

The previous prime is 131617234921. The next prime is 131617235023. The reversal of 131617234997 is 799432716131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129031105681 + 2586129316 = 359209^2 + 50854^2 .

It is a cyclic number.

It is not a de Polignac number, because 131617234997 - 2¹⁶ = 131617169461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131617234907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65808617498 + 65808617499.

It is an arithmetic number, because the mean of its divisors is an integer number (65808617499).

Almost surely, 2^131617234997 is an apocalyptic number.

It is an amenable number.

131617234997 is a deficient number, since it is larger than the sum of its proper divisors (1).

131617234997 is an equidigital number, since it uses as much as digits as its factorization.

131617234997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 53.

The spelling of 131617234997 in words is "one hundred thirty-one billion, six hundred seventeen million, two hundred thirty-four thousand, nine hundred ninety-seven".