1331041406 has 8 divisors (see below), whose sum is σ = 1999251504. Its totient is φ = 664624240.

The previous prime is 1331041403. The next prime is 1331041421. The reversal of 1331041406 is 6041401331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331041403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 446375 + ... + 449346.

It is an arithmetic number, because the mean of its divisors is an integer number (249906438).

Almost surely, 2^1331041406 is an apocalyptic number.

1331041406 is a deficient number, since it is larger than the sum of its proper divisors (668210098).

1331041406 is an equidigital number, since it uses as much as digits as its factorization.

1331041406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896466.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1331041406 is about 36483.4401612567. The cubic root of 1331041406 is about 1100.0114064933.

Adding to 1331041406 its reverse (6041401331), we get a palindrome (7372442737).

The spelling of 1331041406 in words is "one billion, three hundred thirty-one million, forty-one thousand, four hundred six".