31348607 has 2 divisors, whose sum is σ = 31348608. Its totient is φ = 31348606.

The previous prime is 31348601. The next prime is 31348619. The reversal of 31348607 is 70684313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31348607 - 2⁸ = 31348351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31348601) 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, 15674303 + 15674304.

It is an arithmetic number, because the mean of its divisors is an integer number (15674304).

Almost surely, 2^31348607 is an apocalyptic number.

31348607 is a deficient number, since it is larger than the sum of its proper divisors (1).

31348607 is an equidigital number, since it uses as much as digits as its factorization.

31348607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 31348607 is about 5598.9826754510. The cubic root of 31348607 is about 315.3112133805.

The spelling of 31348607 in words is "thirty-one million, three hundred forty-eight thousand, six hundred seven".