1311421006 has 24 divisors (see below), whose sum is σ = 2367207720. Its totient is φ = 542655792.

The previous prime is 1311420989. The next prime is 1311421019. The reversal of 1311421006 is 6001241131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227880 + ... + 233563.

It is an arithmetic number, because the mean of its divisors is an integer number (98633655).

Almost surely, 2^1311421006 is an apocalyptic number.

1311421006 is a deficient number, since it is larger than the sum of its proper divisors (1055786714).

1311421006 is a wasteful number, since it uses less digits than its factorization.

1311421006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461488 (or 461481 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1311421006 is about 36213.5472717048. The cubic root of 1311421006 is about 1094.5796725663.

Adding to 1311421006 its reverse (6001241131), we get a palindrome (7312662137).

The spelling of 1311421006 in words is "one billion, three hundred eleven million, four hundred twenty-one thousand, six".