31696097 has 2 divisors, whose sum is σ = 31696098. Its totient is φ = 31696096.

The previous prime is 31696073. The next prime is 31696111. The reversal of 31696097 is 79069613.

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., 28398241 + 3297856 = 5329^2 + 1816^2 .

It is a cyclic number.

It is not a de Polignac number, because 31696097 - 2⁸ = 31695841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31696037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15848048 + 15848049.

It is an arithmetic number, because the mean of its divisors is an integer number (15848049).

Almost surely, 2^31696097 is an apocalyptic number.

It is an amenable number.

31696097 is a deficient number, since it is larger than the sum of its proper divisors (1).

31696097 is an equidigital number, since it uses as much as digits as its factorization.

31696097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 31696097 is about 5629.9286851611. The cubic root of 31696097 is about 316.4719786983.

The spelling of 31696097 in words is "thirty-one million, six hundred ninety-six thousand, ninety-seven".