31344544037 has 2 divisors, whose sum is σ = 31344544038. Its totient is φ = 31344544036.

The previous prime is 31344544031. The next prime is 31344544051. The reversal of 31344544037 is 73044544313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23754823876 + 7589720161 = 154126^2 + 87119^2 .

It is a cyclic number.

It is not a de Polignac number, because 31344544037 - 2¹⁴ = 31344527653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31344544031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15672272018 + 15672272019.

It is an arithmetic number, because the mean of its divisors is an integer number (15672272019).

Almost surely, 2^31344544037 is an apocalyptic number.

It is an amenable number.

31344544037 is a deficient number, since it is larger than the sum of its proper divisors (1).

31344544037 is an equidigital number, since it uses as much as digits as its factorization.

31344544037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 31344544037 in words is "thirty-one billion, three hundred forty-four million, five hundred forty-four thousand, thirty-seven".