2131313322 has 16 divisors (see below), whose sum is σ = 4273878240. Its totient is φ = 708562512.

The previous prime is 2131313309. The next prime is 2131313347. The reversal of 2131313322 is 2233131312.

It is a nude number because it is divisible by every one of its digits.

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, 466353 + ... + 470900.

It is an arithmetic number, because the mean of its divisors is an integer number (267117390).

Almost surely, 2^2131313322 is an apocalyptic number.

2131313322 is an abundant number, since it is smaller than the sum of its proper divisors (2142564918).

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

2131313322 is a wasteful number, since it uses less digits than its factorization.

2131313322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937637.

The product of its digits is 648, while the sum is 21.

The square root of 2131313322 is about 46166.1490921649. The cubic root of 2131313322 is about 1286.9127387680.

Adding to 2131313322 its reverse (2233131312), we get a palindrome (4364444634).

The spelling of 2131313322 in words is "two billion, one hundred thirty-one million, three hundred thirteen thousand, three hundred twenty-two".