31344444097 has 2 divisors, whose sum is σ = 31344444098. Its totient is φ = 31344444096.

The previous prime is 31344444023. The next prime is 31344444101. The reversal of 31344444097 is 79044444313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27124772416 + 4219671681 = 164696^2 + 64959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31344444097 is a prime.

It is not a weakly prime, because it can be changed into another prime (31344444697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15672222048 + 15672222049.

It is an arithmetic number, because the mean of its divisors is an integer number (15672222049).

Almost surely, 2^31344444097 is an apocalyptic number.

It is an amenable number.

31344444097 is a deficient number, since it is larger than the sum of its proper divisors (1).

31344444097 is an equidigital number, since it uses as much as digits as its factorization.

31344444097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 31344444097 in words is "thirty-one billion, three hundred forty-four million, four hundred forty-four thousand, ninety-seven".