3081135979 has 2 divisors, whose sum is σ = 3081135980. Its totient is φ = 3081135978.

The previous prime is 3081135977. The next prime is 3081135983. The reversal of 3081135979 is 9795311803.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3081135979 - 2¹ = 3081135977 is a prime.

Together with 3081135977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3081135971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540567989 + 1540567990.

It is an arithmetic number, because the mean of its divisors is an integer number (1540567990).

Almost surely, 2^3081135979 is an apocalyptic number.

3081135979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081135979 is an equidigital number, since it uses as much as digits as its factorization.

3081135979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 3081135979 is about 55507.9812189202. The cubic root of 3081135979 is about 1455.1361223284.

The spelling of 3081135979 in words is "three billion, eighty-one million, one hundred thirty-five thousand, nine hundred seventy-nine".