311355213422 has 24 divisors (see below), whose sum is σ = 529909818816. Its totient is φ = 136959768000.

The previous prime is 311355213419. The next prime is 311355213427. The reversal of 311355213422 is 224312553113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311355213427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20743979 + ... + 20758982.

It is an arithmetic number, because the mean of its divisors is an integer number (22079575784).

Almost surely, 2^311355213422 is an apocalyptic number.

311355213422 is a deficient number, since it is larger than the sum of its proper divisors (218554605394).

311355213422 is a wasteful number, since it uses less digits than its factorization.

311355213422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41503016 (or 41503005 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

Adding to 311355213422 its reverse (224312553113), we get a palindrome (535667766535).

The spelling of 311355213422 in words is "three hundred eleven billion, three hundred fifty-five million, two hundred thirteen thousand, four hundred twenty-two".