97311161 has 2 divisors, whose sum is σ = 97311162. Its totient is φ = 97311160.

The previous prime is 97311113. The next prime is 97311209. The reversal of 97311161 is 16111379.

It is a balanced prime because it is at equal distance from previous prime (97311113) and next prime (97311209).

It can be written as a sum of positive squares in only one way, i.e., 77774761 + 19536400 = 8819^2 + 4420^2 .

It is a cyclic number.

It is not a de Polignac number, because 97311161 - 2¹⁰ = 97310137 is a prime.

It is not a weakly prime, because it can be changed into another prime (97311101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48655580 + 48655581.

It is an arithmetic number, because the mean of its divisors is an integer number (48655581).

Almost surely, 2^97311161 is an apocalyptic number.

It is an amenable number.

97311161 is a deficient number, since it is larger than the sum of its proper divisors (1).

97311161 is an equidigital number, since it uses as much as digits as its factorization.

97311161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 29.

The square root of 97311161 is about 9864.6419600511. The cubic root of 97311161 is about 459.9608678116.

The spelling of 97311161 in words is "ninety-seven million, three hundred eleven thousand, one hundred sixty-one".