31363349 has 2 divisors, whose sum is σ = 31363350. Its totient is φ = 31363348.

The previous prime is 31363331. The next prime is 31363361. The reversal of 31363349 is 94336313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30052324 + 1311025 = 5482^2 + 1145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31363349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31363369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15681674 + 15681675.

It is an arithmetic number, because the mean of its divisors is an integer number (15681675).

Almost surely, 2^31363349 is an apocalyptic number.

It is an amenable number.

31363349 is a deficient number, since it is larger than the sum of its proper divisors (1).

31363349 is an equidigital number, since it uses as much as digits as its factorization.

31363349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 32.

The square root of 31363349 is about 5600.2990098744. The cubic root of 31363349 is about 315.3606317322.

The spelling of 31363349 in words is "thirty-one million, three hundred sixty-three thousand, three hundred forty-nine".