97308231 has 8 divisors (see below), whose sum is σ = 129790080. Its totient is φ = 64849272.

The previous prime is 97308227. The next prime is 97308251. The reversal of 97308231 is 13280379.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97308231 - 2² = 97308227 is a prime.

It is a super-3 number, since 3×97308231³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 97308192 and 97308201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97308251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12406 + ... + 18668.

It is an arithmetic number, because the mean of its divisors is an integer number (16223760).

Almost surely, 2^97308231 is an apocalyptic number.

97308231 is a deficient number, since it is larger than the sum of its proper divisors (32481849).

97308231 is a wasteful number, since it uses less digits than its factorization.

97308231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 97308231 is about 9864.4934487281. The cubic root of 97308231 is about 459.9562513529.

The spelling of 97308231 in words is "ninety-seven million, three hundred eight thousand, two hundred thirty-one".