3481242306781 has 16 divisors (see below), whose sum is σ = 3581483899248. Its totient is φ = 3381328281600.

The previous prime is 3481242306779. The next prime is 3481242306821. The reversal of 3481242306781 is 1876032421843.

It can be written as a sum of positive squares in 8 ways, for example, as 220743987556 + 3260498319225 = 469834^2 + 1805685^2 .

It is a cyclic number.

It is not a de Polignac number, because 3481242306781 - 2¹ = 3481242306779 is a prime.

It is a super-2 number, since 2×3481242306781² (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 (3481242306701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72987261 + ... + 73034941.

It is an arithmetic number, because the mean of its divisors is an integer number (223842743703).

Almost surely, 2^{3481242306781} is an apocalyptic number.

It is an amenable number.

3481242306781 is a deficient number, since it is larger than the sum of its proper divisors (100241592467).

3481242306781 is a wasteful number, since it uses less digits than its factorization.

3481242306781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51072.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 3481242306781 in words is "three trillion, four hundred eighty-one billion, two hundred forty-two million, three hundred six thousand, seven hundred eighty-one".