311302223322 has 16 divisors (see below), whose sum is σ = 622617399360. Its totient is φ = 103765248992.

The previous prime is 311302223263. The next prime is 311302223377. The reversal of 311302223322 is 223322203113.

It is a junction number, because it is equal to n+sod(n) for n = 311302223292 and 311302223301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211947 + ... + 817022.

It is an arithmetic number, because the mean of its divisors is an integer number (38913587460).

Almost surely, 2^311302223322 is an apocalyptic number.

311302223322 is an abundant number, since it is smaller than the sum of its proper divisors (311315176038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311302223322 is a wasteful number, since it uses less digits than its factorization.

311302223322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079397.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 311302223322 its reverse (223322203113), we get a palindrome (534624426435).

The spelling of 311302223322 in words is "three hundred eleven billion, three hundred two million, two hundred twenty-three thousand, three hundred twenty-two".