3281386831823 has 16 divisors (see below), whose sum is σ = 3374594071200. Its totient is φ = 3189349537920.

The previous prime is 3281386831799. The next prime is 3281386831829.

It is a happy number.

3281386831823 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 3281386831823 - 2⁶ = 3281386831759 is a prime.

It is a super-2 number, since 2×3281386831823² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281386831829) 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, 33116288 + ... + 33215226.

It is an arithmetic number, because the mean of its divisors is an integer number (210912129450).

Almost surely, 2^{3281386831823} is an apocalyptic number.

3281386831823 is a deficient number, since it is larger than the sum of its proper divisors (93207239377).

3281386831823 is a wasteful number, since it uses less digits than its factorization.

3281386831823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104842.

The product of its digits is 7962624, while the sum is 56.

The spelling of 3281386831823 in words is "three trillion, two hundred eighty-one billion, three hundred eighty-six million, eight hundred thirty-one thousand, eight hundred twenty-three".