120331232317 has 2 divisors, whose sum is σ = 120331232318. Its totient is φ = 120331232316.

The previous prime is 120331232309. The next prime is 120331232339. The reversal of 120331232317 is 713232133021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80909526916 + 39421705401 = 284446^2 + 198549^2 .

It is a cyclic number.

It is not a de Polignac number, because 120331232317 - 2³ = 120331232309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120331232347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60165616158 + 60165616159.

It is an arithmetic number, because the mean of its divisors is an integer number (60165616159).

Almost surely, 2^120331232317 is an apocalyptic number.

It is an amenable number.

120331232317 is a deficient number, since it is larger than the sum of its proper divisors (1).

120331232317 is an equidigital number, since it uses as much as digits as its factorization.

120331232317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 120331232317 its reverse (713232133021), we get a palindrome (833563365338).

The spelling of 120331232317 in words is "one hundred twenty billion, three hundred thirty-one million, two hundred thirty-two thousand, three hundred seventeen".