31342455424309 has 2 divisors, whose sum is σ = 31342455424310. Its totient is φ = 31342455424308.

The previous prime is 31342455424307. The next prime is 31342455424337. The reversal of 31342455424309 is 90342455424313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31340403062500 + 2052361809 = 5598250^2 + 45303^2 .

It is a cyclic number.

It is not a de Polignac number, because 31342455424309 - 2¹ = 31342455424307 is a prime.

Together with 31342455424307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31342455424307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15671227712154 + 15671227712155.

It is an arithmetic number, because the mean of its divisors is an integer number (15671227712155).

Almost surely, 2^{31342455424309} is an apocalyptic number.

It is an amenable number.

31342455424309 is a deficient number, since it is larger than the sum of its proper divisors (1).

31342455424309 is an equidigital number, since it uses as much as digits as its factorization.

31342455424309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 31342455424309 in words is "thirty-one trillion, three hundred forty-two billion, four hundred fifty-five million, four hundred twenty-four thousand, three hundred nine".