97930231 has 16 divisors (see below), whose sum is σ = 115635520. Its totient is φ = 81181440.

The previous prime is 97930219. The next prime is 97930241. The reversal of 97930231 is 13203979.

It is a cyclic number.

It is not a de Polignac number, because 97930231 - 2⁷ = 97930103 is a prime.

It is a super-2 number, since 2×97930231² = 19180660287426722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97930201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45835 + ... + 47923.

It is an arithmetic number, because the mean of its divisors is an integer number (7227220).

Almost surely, 2^97930231 is an apocalyptic number.

97930231 is a deficient number, since it is larger than the sum of its proper divisors (17705289).

97930231 is a wasteful number, since it uses less digits than its factorization.

97930231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 97930231 is about 9895.9704425589. The cubic root of 97930231 is about 460.9341931874.

The spelling of 97930231 in words is "ninety-seven million, nine hundred thirty thousand, two hundred thirty-one".