3261131982 has 32 divisors (see below), whose sum is σ = 7260879360. Its totient is φ = 1084956120.

The previous prime is 3261131977. The next prime is 3261131999. The reversal of 3261131982 is 2891311623.

3261131982 is a `hidden beast` number, since 3 + 2 + 611 + 31 + 9 + 8 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29494 + ... + 85977.

It is an arithmetic number, because the mean of its divisors is an integer number (226902480).

Almost surely, 2^3261131982 is an apocalyptic number.

3261131982 is an abundant number, since it is smaller than the sum of its proper divisors (3999747378).

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

3261131982 is a wasteful number, since it uses less digits than its factorization.

3261131982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116005 (or 115999 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 3261131982 is about 57106.3217341128. The cubic root of 3261131982 is about 1482.9373096662.

The spelling of 3261131982 in words is "three billion, two hundred sixty-one million, one hundred thirty-one thousand, nine hundred eighty-two".