97831303231 has 8 divisors (see below), whose sum is σ = 103598993520. Its totient is φ = 92065047168.

The previous prime is 97831303201. The next prime is 97831303237. The reversal of 97831303231 is 13230313879.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 97831303231 - 2¹³ = 97831295039 is a prime.

It is a super-2 number, since 2×97831303231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97831303237) 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, 216501 + ... + 492478.

It is an arithmetic number, because the mean of its divisors is an integer number (12949874190).

Almost surely, 2^97831303231 is an apocalyptic number.

97831303231 is a deficient number, since it is larger than the sum of its proper divisors (5767690289).

97831303231 is a wasteful number, since it uses less digits than its factorization.

97831303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717113.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 97831303231 in words is "ninety-seven billion, eight hundred thirty-one million, three hundred three thousand, two hundred thirty-one".