331982381386 has 8 divisors (see below), whose sum is σ = 519624597024. Its totient is φ = 158774182380.

The previous prime is 331982381383. The next prime is 331982381399. The reversal of 331982381386 is 683183289133.

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

It is a super-2 number, since 2×331982381386² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331982381383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3608504100 + ... + 3608504191.

It is an arithmetic number, because the mean of its divisors is an integer number (64953074628).

Almost surely, 2^331982381386 is an apocalyptic number.

331982381386 is a deficient number, since it is larger than the sum of its proper divisors (187642215638).

331982381386 is a wasteful number, since it uses less digits than its factorization.

331982381386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217008316.

The product of its digits is 4478976, while the sum is 55.

The spelling of 331982381386 in words is "three hundred thirty-one billion, nine hundred eighty-two million, three hundred eighty-one thousand, three hundred eighty-six".