3081679331 has 4 divisors (see below), whose sum is σ = 3243873000. Its totient is φ = 2919485664.

The previous prime is 3081679319. The next prime is 3081679339. The reversal of 3081679331 is 1339761803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1339761803 = 193 ⋅6941771.

It is a cyclic number.

It is not a de Polignac number, because 3081679331 - 2¹⁸ = 3081417187 is a prime.

It is a super-2 number, since 2×3081679331² = 18993494998225215122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3081679339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81096806 + ... + 81096843.

It is an arithmetic number, because the mean of its divisors is an integer number (810968250).

Almost surely, 2^3081679331 is an apocalyptic number.

3081679331 is a deficient number, since it is larger than the sum of its proper divisors (162193669).

3081679331 is a wasteful number, since it uses less digits than its factorization.

3081679331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162193668.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 3081679331 is about 55512.8753623878. The cubic root of 3081679331 is about 1455.2216540561.

The spelling of 3081679331 in words is "three billion, eighty-one million, six hundred seventy-nine thousand, three hundred thirty-one".