1231332322 has 8 divisors (see below), whose sum is σ = 2014907472. Its totient is φ = 559696500.

The previous prime is 1231332281. The next prime is 1231332337. The reversal of 1231332322 is 2232331321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 55969651 = 1231332322 / (1 + 2 + 3 + 1 + 3 + 3 + 2 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1231332293 and 1231332302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27984804 + ... + 27984847.

It is an arithmetic number, because the mean of its divisors is an integer number (251863434).

Almost surely, 2^1231332322 is an apocalyptic number.

1231332322 is a deficient number, since it is larger than the sum of its proper divisors (783575150).

1231332322 is a wasteful number, since it uses less digits than its factorization.

1231332322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55969664.

The product of its digits is 1296, while the sum is 22.

The square root of 1231332322 is about 35090.3451393685. The cubic root of 1231332322 is about 1071.8279877575.

Adding to 1231332322 its reverse (2232331321), we get a palindrome (3463663643).

The spelling of 1231332322 in words is "one billion, two hundred thirty-one million, three hundred thirty-two thousand, three hundred twenty-two".