1331255304206 has 16 divisors (see below), whose sum is σ = 2079121646448. Its totient is φ = 638747044800.

The previous prime is 1331255304149. The next prime is 1331255304257. The reversal of 1331255304206 is 6024035521331.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133067300 + ... + 133077303.

It is an arithmetic number, because the mean of its divisors is an integer number (129945102903).

Almost surely, 2^{1331255304206} is an apocalyptic number.

1331255304206 is a deficient number, since it is larger than the sum of its proper divisors (747866342242).

1331255304206 is a wasteful number, since it uses less digits than its factorization.

1331255304206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266144707.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 1331255304206 in words is "one trillion, three hundred thirty-one billion, two hundred fifty-five million, three hundred four thousand, two hundred six".