3281815140056 has 32 divisors (see below), whose sum is σ = 6335471695680. Its totient is φ = 1592577216000.

The previous prime is 3281815140049. The next prime is 3281815140091. The reversal of 3281815140056 is 6500415181823.

It is a super-2 number, since 2×3281815140056² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3281815139989 and 3281815140016.

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, 13705760 + ... + 13943151.

It is an arithmetic number, because the mean of its divisors is an integer number (197983490490).

Almost surely, 2^{3281815140056} is an apocalyptic number.

It is an amenable number.

3281815140056 is a deficient number, since it is larger than the sum of its proper divisors (3053656555624).

3281815140056 is a wasteful number, since it uses less digits than its factorization.

3281815140056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27649355 (or 27649351 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 3281815140056 in words is "three trillion, two hundred eighty-one billion, eight hundred fifteen million, one hundred forty thousand, fifty-six".