97243311 has 32 divisors (see below), whose sum is σ = 153722880. Its totient is φ = 54021600.

The previous prime is 97243309. The next prime is 97243313. The reversal of 97243311 is 11334279.

It is an interprime number because it is at equal distance from previous prime (97243309) and next prime (97243313).

It is not a de Polignac number, because 97243311 - 2¹ = 97243309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97243313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16936 + ... + 21938.

It is an arithmetic number, because the mean of its divisors is an integer number (4803840).

Almost surely, 2^97243311 is an apocalyptic number.

97243311 is a deficient number, since it is larger than the sum of its proper divisors (56479569).

97243311 is a wasteful number, since it uses less digits than its factorization.

97243311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067.

The product of its digits is 4536, while the sum is 30.

The square root of 97243311 is about 9861.2023100634. The cubic root of 97243311 is about 459.8539407107.

The spelling of 97243311 in words is "ninety-seven million, two hundred forty-three thousand, three hundred eleven".