3281979142 has 16 divisors (see below), whose sum is σ = 5319765360. Its totient is φ = 1509586272.

The previous prime is 3281979137. The next prime is 3281979161. The reversal of 3281979142 is 2419791823.

It is a happy number.

It is a super-3 number, since 3×3281979142³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3281979092 and 3281979101.

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, 207792 + ... + 223027.

It is an arithmetic number, because the mean of its divisors is an integer number (332485335).

Almost surely, 2^3281979142 is an apocalyptic number.

3281979142 is a deficient number, since it is larger than the sum of its proper divisors (2037786218).

3281979142 is a wasteful number, since it uses less digits than its factorization.

3281979142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431127.

The product of its digits is 217728, while the sum is 46.

The square root of 3281979142 is about 57288.5603065743. The cubic root of 3281979142 is about 1486.0905489440.

The spelling of 3281979142 in words is "three billion, two hundred eighty-one million, nine hundred seventy-nine thousand, one hundred forty-two".