1020311322 has 32 divisors (see below), whose sum is σ = 2119872384. Its totient is φ = 327129600.

The previous prime is 1020311317. The next prime is 1020311329. The reversal of 1020311322 is 2231130201.

It is not an unprimeable number, because it can be changed into a prime (1020311329) 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, 11743 + ... + 46674.

It is an arithmetic number, because the mean of its divisors is an integer number (66246012).

Almost surely, 2^1020311322 is an apocalyptic number.

1020311322 is an abundant number, since it is smaller than the sum of its proper divisors (1099561062).

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

1020311322 is a wasteful number, since it uses less digits than its factorization.

1020311322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58534.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1020311322 is about 31942.3124084654. The cubic root of 1020311322 is about 1006.7251121474.

Adding to 1020311322 its reverse (2231130201), we get a palindrome (3251441523).

The spelling of 1020311322 in words is "one billion, twenty million, three hundred eleven thousand, three hundred twenty-two".