3081961242 has 48 divisors (see below), whose sum is σ = 6783678720. Its totient is φ = 1011105216.

The previous prime is 3081961171. The next prime is 3081961243. The reversal of 3081961242 is 2421691803.

3081961242 is a `hidden beast` number, since 30 + 8 + 1 + 9 + 612 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3081961197 and 3081961206.

It is not an unprimeable number, because it can be changed into a prime (3081961243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352933 + ... + 361559.

It is an arithmetic number, because the mean of its divisors is an integer number (141326640).

Almost surely, 2^3081961242 is an apocalyptic number.

3081961242 is an abundant number, since it is smaller than the sum of its proper divisors (3701717478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3081961242 is a wasteful number, since it uses less digits than its factorization.

3081961242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8947 (or 8944 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 3081961242 is about 55515.4144540055. The cubic root of 3081961242 is about 1455.2660271007.

The spelling of 3081961242 in words is "three billion, eighty-one million, nine hundred sixty-one thousand, two hundred forty-two".