31340205205514 has 16 divisors (see below), whose sum is σ = 48445637782248. Its totient is φ = 15194550174912.

The previous prime is 31340205205453. The next prime is 31340205205531. The reversal of 31340205205514 is 41550250204313.

It can be written as a sum of positive squares in 4 ways, for example, as 29516130765625 + 1824074439889 = 5432875^2 + 1350583^2 .

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 722702357 + ... + 722745720.

Almost surely, 2^{31340205205514} is an apocalyptic number.

31340205205514 is a deficient number, since it is larger than the sum of its proper divisors (17105432576734).

31340205205514 is a wasteful number, since it uses less digits than its factorization.

31340205205514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445448409.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 31340205205514 its reverse (41550250204313), we get a palindrome (72890455409827).

The spelling of 31340205205514 in words is "thirty-one trillion, three hundred forty billion, two hundred five million, two hundred five thousand, five hundred fourteen".