31344029 has 2 divisors, whose sum is σ = 31344030. Its totient is φ = 31344028.

The previous prime is 31344011. The next prime is 31344031. The reversal of 31344029 is 92044313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23020804 + 8323225 = 4798^2 + 2885^2 .

It is a cyclic number.

It is not a de Polignac number, because 31344029 - 2¹² = 31339933 is a prime.

Together with 31344031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 31343989 and 31344007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31344059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15672014 + 15672015.

It is an arithmetic number, because the mean of its divisors is an integer number (15672015).

Almost surely, 2^31344029 is an apocalyptic number.

It is an amenable number.

31344029 is a deficient number, since it is larger than the sum of its proper divisors (1).

31344029 is an equidigital number, since it uses as much as digits as its factorization.

31344029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 31344029 is about 5598.5738362551. The cubic root of 31344029 is about 315.2958637882.

The spelling of 31344029 in words is "thirty-one million, three hundred forty-four thousand, twenty-nine".