97710431 has 16 divisors (see below), whose sum is σ = 122304000. Its totient is φ = 75994848.

The previous prime is 97710409. The next prime is 97710433. The reversal of 97710431 is 13401779.

It is a cyclic number.

It is not a de Polignac number, because 97710431 - 2¹⁰ = 97709407 is a prime.

It is a super-2 number, since 2×97710431² = 19094656652411522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97710433) 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 in 15 ways as a sum of consecutive naturals, for example, 3731 + ... + 14468.

It is an arithmetic number, because the mean of its divisors is an integer number (7644000).

Almost surely, 2^97710431 is an apocalyptic number.

97710431 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

97710431 is a deficient number, since it is larger than the sum of its proper divisors (24593569).

97710431 is a wasteful number, since it uses less digits than its factorization.

97710431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18278.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 97710431 is about 9884.8586737495. The cubic root of 97710431 is about 460.5890861759.

The spelling of 97710431 in words is "ninety-seven million, seven hundred ten thousand, four hundred thirty-one".