311141322 has 12 divisors (see below), whose sum is σ = 674139570. Its totient is φ = 103713768.

The previous prime is 311141317. The next prime is 311141329. The reversal of 311141322 is 223141113.

311141322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 288014841 + 23126481 = 16971^2 + 4809^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 17285629 = 311141322 / (3 + 1 + 1 + 1 + 4 + 1 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 311141295 and 311141304.

It is not an unprimeable number, because it can be changed into a prime (311141329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8642797 + ... + 8642832.

Almost surely, 2^311141322 is an apocalyptic number.

311141322 is an abundant number, since it is smaller than the sum of its proper divisors (362998248).

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

311141322 is a wasteful number, since it uses less digits than its factorization.

311141322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17285637 (or 17285634 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 311141322 is about 17639.1984511769. The cubic root of 311141322 is about 677.6195035267.

Adding to 311141322 its reverse (223141113), we get a palindrome (534282435).

The spelling of 311141322 in words is "three hundred eleven million, one hundred forty-one thousand, three hundred twenty-two".