31224144210343 has 32 divisors (see below), whose sum is σ = 36605489697920. Its totient is φ = 26081150031360.

The previous prime is 31224144210331. The next prime is 31224144210373. The reversal of 31224144210343 is 34301244142213.

It is a cyclic number.

It is not a de Polignac number, because 31224144210343 - 2⁹ = 31224144209831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31224144210299 and 31224144210308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31224144210373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843945721 + ... + 843982717.

It is an arithmetic number, because the mean of its divisors is an integer number (1143921553060).

Almost surely, 2^{31224144210343} is an apocalyptic number.

31224144210343 is a deficient number, since it is larger than the sum of its proper divisors (5381345487577).

31224144210343 is a wasteful number, since it uses less digits than its factorization.

31224144210343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55307.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 31224144210343 its reverse (34301244142213), we get a palindrome (65525388352556).

The spelling of 31224144210343 in words is "thirty-one trillion, two hundred twenty-four billion, one hundred forty-four million, two hundred ten thousand, three hundred forty-three".