31434450535393 has 2 divisors, whose sum is σ = 31434450535394. Its totient is φ = 31434450535392.

The previous prime is 31434450535381. The next prime is 31434450535427. The reversal of 31434450535393 is 39353505443413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31361926429584 + 72524105809 = 5600172^2 + 269303^2 .

It is a cyclic number.

It is not a de Polignac number, because 31434450535393 - 2¹³ = 31434450527201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31434450535393.

It is not a weakly prime, because it can be changed into another prime (31434450535343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717225267696 + 15717225267697.

It is an arithmetic number, because the mean of its divisors is an integer number (15717225267697).

Almost surely, 2^{31434450535393} is an apocalyptic number.

It is an amenable number.

31434450535393 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434450535393 is an equidigital number, since it uses as much as digits as its factorization.

31434450535393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496000, while the sum is 52.

The spelling of 31434450535393 in words is "thirty-one trillion, four hundred thirty-four billion, four hundred fifty million, five hundred thirty-five thousand, three hundred ninety-three".