1331401322 has 16 divisors (see below), whose sum is σ = 2086922880. Its totient is φ = 635843472.

The previous prime is 1331401297. The next prime is 1331401343. The reversal of 1331401322 is 2231041331.

It is a junction number, because it is equal to n+sod(n) for n = 1331401294 and 1331401303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12203 + ... + 53025.

It is an arithmetic number, because the mean of its divisors is an integer number (130432680).

Almost surely, 2^1331401322 is an apocalyptic number.

1331401322 is a deficient number, since it is larger than the sum of its proper divisors (755521558).

1331401322 is a wasteful number, since it uses less digits than its factorization.

1331401322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41557.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1331401322 is about 36488.3724219100. The cubic root of 1331401322 is about 1100.1105459150.

Adding to 1331401322 its reverse (2231041331), we get a palindrome (3562442653).

The spelling of 1331401322 in words is "one billion, three hundred thirty-one million, four hundred one thousand, three hundred twenty-two".