3281135123 has 8 divisors (see below), whose sum is σ = 3778494720. Its totient is φ = 2790932040.

The previous prime is 3281135107. The next prime is 3281135147. The reversal of 3281135123 is 3215311823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3281135123 - 2⁴ = 3281135107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3281135153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788143 + ... + 1789976.

It is an arithmetic number, because the mean of its divisors is an integer number (472311840).

Almost surely, 2^3281135123 is an apocalyptic number.

3281135123 is a deficient number, since it is larger than the sum of its proper divisors (497359597).

3281135123 is a wasteful number, since it uses less digits than its factorization.

3281135123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578257.

The product of its digits is 4320, while the sum is 29.

The square root of 3281135123 is about 57281.1934495084. The cubic root of 3281135123 is about 1485.9631465301.

Adding to 3281135123 its reverse (3215311823), we get a palindrome (6496446946).

The spelling of 3281135123 in words is "three billion, two hundred eighty-one million, one hundred thirty-five thousand, one hundred twenty-three".