1331003122 has 4 divisors (see below), whose sum is σ = 1996504686. Its totient is φ = 665501560.

The previous prime is 1331003119. The next prime is 1331003153. The reversal of 1331003122 is 2213001331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1246160601 + 84842521 = 35301^2 + 9211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1331003096 and 1331003105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332750779 + ... + 332750782.

Almost surely, 2^1331003122 is an apocalyptic number.

1331003122 is a deficient number, since it is larger than the sum of its proper divisors (665501564).

1331003122 is an equidigital number, since it uses as much as digits as its factorization.

1331003122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665501563.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1331003122 is about 36482.9154810851. The cubic root of 1331003122 is about 1100.0008600544. Note that the first 3 decimals are identical.

Adding to 1331003122 its reverse (2213001331), we get a palindrome (3544004453).

The spelling of 1331003122 in words is "one billion, three hundred thirty-one million, three thousand, one hundred twenty-two".