6682120331 has 4 divisors (see below), whose sum is σ = 6824293152. Its totient is φ = 6539947512.

The previous prime is 6682120327. The next prime is 6682120363. The reversal of 6682120331 is 1330212866.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6682120331 - 2² = 6682120327 is a prime.

It is a super-2 number, since 2×6682120331² = 89301464235927099122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6682120381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71086340 + ... + 71086433.

It is an arithmetic number, because the mean of its divisors is an integer number (1706073288).

Almost surely, 2^6682120331 is an apocalyptic number.

6682120331 is a deficient number, since it is larger than the sum of its proper divisors (142172821).

6682120331 is a wasteful number, since it uses less digits than its factorization.

6682120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142172820.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 6682120331 is about 81744.2372953592. The cubic root of 6682120331 is about 1883.5251810274.

The spelling of 6682120331 in words is "six billion, six hundred eighty-two million, one hundred twenty thousand, three hundred thirty-one".