31344011 has 2 divisors, whose sum is σ = 31344012. Its totient is φ = 31344010.

The previous prime is 31343993. The next prime is 31344029. The reversal of 31344011 is 11044313.

It is a balanced prime because it is at equal distance from previous prime (31343993) and next prime (31344029).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31344011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31344031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15672005 + 15672006.

It is an arithmetic number, because the mean of its divisors is an integer number (15672006).

Almost surely, 2^31344011 is an apocalyptic number.

31344011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31344011 is an equidigital number, since it uses as much as digits as its factorization.

31344011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 31344011 is about 5598.5722287026. The cubic root of 31344011 is about 315.2958034330.

Adding to 31344011 its reverse (11044313), we get a palindrome (42388324).

The spelling of 31344011 in words is "thirty-one million, three hundred forty-four thousand, eleven".