31344067 has 2 divisors, whose sum is σ = 31344068. Its totient is φ = 31344066.

The previous prime is 31344059. The next prime is 31344097. The reversal of 31344067 is 76044313.

It is a weak prime.

It is an emirp because it is prime and its reverse (76044313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31344067 - 2³ = 31344059 is a prime.

It is a super-2 number, since 2×31344067² = 1964901072200978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31344097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15672033 + 15672034.

It is an arithmetic number, because the mean of its divisors is an integer number (15672034).

Almost surely, 2^31344067 is an apocalyptic number.

31344067 is a deficient number, since it is larger than the sum of its proper divisors (1).

31344067 is an equidigital number, since it uses as much as digits as its factorization.

31344067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 31344067 is about 5598.5772299755. The cubic root of 31344067 is about 315.2959912047.

The spelling of 31344067 in words is "thirty-one million, three hundred forty-four thousand, sixty-seven".