31063349 has 2 divisors, whose sum is σ = 31063350. Its totient is φ = 31063348.

The previous prime is 31063339. The next prime is 31063367. The reversal of 31063349 is 94336013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19298449 + 11764900 = 4393^2 + 3430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31063349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31063339) 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, 15531674 + 15531675.

It is an arithmetic number, because the mean of its divisors is an integer number (15531675).

Almost surely, 2^31063349 is an apocalyptic number.

It is an amenable number.

31063349 is a deficient number, since it is larger than the sum of its proper divisors (1).

31063349 is an equidigital number, since it uses as much as digits as its factorization.

31063349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 31063349 is about 5573.4503675910. The cubic root of 31063349 is about 314.3519017135.

The spelling of 31063349 in words is "thirty-one million, sixty-three thousand, three hundred forty-nine".