381443220314411 has 16 divisors (see below), whose sum is σ = 421446615430464. Its totient is φ = 343391962281984.

The previous prime is 381443220314389. The next prime is 381443220314459. The reversal of 381443220314411 is 114413022344183.

It is a happy number.

It is not a de Polignac number, because 381443220314411 - 2²⁶ = 381443153205547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381443220314111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23731025 + ... + 36414941.

It is an arithmetic number, because the mean of its divisors is an integer number (26340413464404).

Almost surely, 2^{381443220314411} is an apocalyptic number.

381443220314411 is a deficient number, since it is larger than the sum of its proper divisors (40003395116053).

381443220314411 is a wasteful number, since it uses less digits than its factorization.

381443220314411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12760870.

The product of its (nonzero) digits is 221184, while the sum is 41.

Adding to 381443220314411 its reverse (114413022344183), we get a palindrome (495856242658594).

The spelling of 381443220314411 in words is "three hundred eighty-one trillion, four hundred forty-three billion, two hundred twenty million, three hundred fourteen thousand, four hundred eleven".