131234897 has 2 divisors, whose sum is σ = 131234898. Its totient is φ = 131234896.

The previous prime is 131234827. The next prime is 131234933. The reversal of 131234897 is 798432131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116726416 + 14508481 = 10804^2 + 3809^2 .

It is a cyclic number.

It is not a de Polignac number, because 131234897 - 2²⁰ = 130186321 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131234897.

It is not a weakly prime, because it can be changed into another prime (131234827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65617448 + 65617449.

It is an arithmetic number, because the mean of its divisors is an integer number (65617449).

Almost surely, 2^131234897 is an apocalyptic number.

It is an amenable number.

131234897 is a deficient number, since it is larger than the sum of its proper divisors (1).

131234897 is an equidigital number, since it uses as much as digits as its factorization.

131234897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 131234897 is about 11455.7800694671. The cubic root of 131234897 is about 508.1786847909.

The spelling of 131234897 in words is "one hundred thirty-one million, two hundred thirty-four thousand, eight hundred ninety-seven".