1231322322 has 16 divisors (see below), whose sum is σ = 2592257760. Its totient is φ = 388838592.

The previous prime is 1231322321. The next prime is 1231322333. The reversal of 1231322322 is 2232231321.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1231322321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5400423 + ... + 5400650.

It is an arithmetic number, because the mean of its divisors is an integer number (162016110).

Almost surely, 2^1231322322 is an apocalyptic number.

1231322322 is an abundant number, since it is smaller than the sum of its proper divisors (1360935438).

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

1231322322 is a wasteful number, since it uses less digits than its factorization.

1231322322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10801097.

The product of its digits is 864, while the sum is 21.

The square root of 1231322322 is about 35090.2026497426. The cubic root of 1231322322 is about 1071.8250862097.

Adding to 1231322322 its reverse (2232231321), we get a palindrome (3463553643).

The spelling of 1231322322 in words is "one billion, two hundred thirty-one million, three hundred twenty-two thousand, three hundred twenty-two".