31334953289 has 2 divisors, whose sum is σ = 31334953290. Its totient is φ = 31334953288.

The previous prime is 31334953193. The next prime is 31334953313. The reversal of 31334953289 is 98235943313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16606703689 + 14728249600 = 128867^2 + 121360^2 .

It is a cyclic number.

It is not a de Polignac number, because 31334953289 - 2⁸ = 31334953033 is a prime.

It is not a weakly prime, because it can be changed into another prime (31334953189) 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, 15667476644 + 15667476645.

It is an arithmetic number, because the mean of its divisors is an integer number (15667476645).

Almost surely, 2^31334953289 is an apocalyptic number.

It is an amenable number.

31334953289 is a deficient number, since it is larger than the sum of its proper divisors (1).

31334953289 is an equidigital number, since it uses as much as digits as its factorization.

31334953289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 50.

The spelling of 31334953289 in words is "thirty-one billion, three hundred thirty-four million, nine hundred fifty-three thousand, two hundred eighty-nine".