312211424343 has 16 divisors (see below), whose sum is σ = 512346953216. Its totient is φ = 164682948960.

The previous prime is 312211424309. The next prime is 312211424383. The reversal of 312211424343 is 343424112213.

It is not a de Polignac number, because 312211424343 - 2¹⁰ = 312211423319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312211424343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312211424383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571815523 + ... + 571816068.

It is an arithmetic number, because the mean of its divisors is an integer number (32021684576).

Almost surely, 2^312211424343 is an apocalyptic number.

312211424343 is a deficient number, since it is larger than the sum of its proper divisors (200135528873).

312211424343 is a wasteful number, since it uses less digits than its factorization.

312211424343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143631614.

The product of its digits is 13824, while the sum is 30.

Adding to 312211424343 its reverse (343424112213), we get a palindrome (655635536556).

The spelling of 312211424343 in words is "three hundred twelve billion, two hundred eleven million, four hundred twenty-four thousand, three hundred forty-three".