31310014409 has 2 divisors, whose sum is σ = 31310014410. Its totient is φ = 31310014408.

The previous prime is 31310014403. The next prime is 31310014447. The reversal of 31310014409 is 90441001313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30149113225 + 1160901184 = 173635^2 + 34072^2 .

It is a cyclic number.

It is not a de Polignac number, because 31310014409 - 2³² = 27015047113 is a prime.

It is not a weakly prime, because it can be changed into another prime (31310014403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15655007204 + 15655007205.

It is an arithmetic number, because the mean of its divisors is an integer number (15655007205).

Almost surely, 2^31310014409 is an apocalyptic number.

It is an amenable number.

31310014409 is a deficient number, since it is larger than the sum of its proper divisors (1).

31310014409 is an equidigital number, since it uses as much as digits as its factorization.

31310014409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 31310014409 in words is "thirty-one billion, three hundred ten million, fourteen thousand, four hundred nine".