31330555241 has 2 divisors, whose sum is σ = 31330555242. Its totient is φ = 31330555240.

The previous prime is 31330555213. The next prime is 31330555259. The reversal of 31330555241 is 14255503313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29231082841 + 2099472400 = 170971^2 + 45820^2 .

It is a cyclic number.

It is not a de Polignac number, because 31330555241 - 2¹⁴ = 31330538857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31330555198 and 31330555207.

It is not a weakly prime, because it can be changed into another prime (31330555211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15665277620 + 15665277621.

It is an arithmetic number, because the mean of its divisors is an integer number (15665277621).

Almost surely, 2^31330555241 is an apocalyptic number.

It is an amenable number.

31330555241 is a deficient number, since it is larger than the sum of its proper divisors (1).

31330555241 is an equidigital number, since it uses as much as digits as its factorization.

31330555241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 31330555241 in words is "thirty-one billion, three hundred thirty million, five hundred fifty-five thousand, two hundred forty-one".