97703231 has 2 divisors, whose sum is σ = 97703232. Its totient is φ = 97703230.

The previous prime is 97703209. The next prime is 97703237. The reversal of 97703231 is 13230779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97703231 - 2¹⁰ = 97702207 is a prime.

It is a super-2 number, since 2×97703231² = 19091842695678722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97703237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48851615 + 48851616.

It is an arithmetic number, because the mean of its divisors is an integer number (48851616).

Almost surely, 2^97703231 is an apocalyptic number.

97703231 is a deficient number, since it is larger than the sum of its proper divisors (1).

97703231 is an equidigital number, since it uses as much as digits as its factorization.

97703231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 97703231 is about 9884.4944736694. The cubic root of 97703231 is about 460.5777727374.

The spelling of 97703231 in words is "ninety-seven million, seven hundred three thousand, two hundred thirty-one".