3118151131 has 2 divisors, whose sum is σ = 3118151132. Its totient is φ = 3118151130.

The previous prime is 3118151129. The next prime is 3118151167. The reversal of 3118151131 is 1311518113.

It is a weak prime.

It is an emirp because it is prime and its reverse (1311518113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3118151131 - 2¹ = 3118151129 is a prime.

It is a super-2 number, since 2×3118151131² = 19445732951513158322, which contains 22 as substring.

Together with 3118151129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3118151096 and 3118151105.

It is not a weakly prime, because it can be changed into another prime (3118151111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1559075565 + 1559075566.

It is an arithmetic number, because the mean of its divisors is an integer number (1559075566).

Almost surely, 2^3118151131 is an apocalyptic number.

3118151131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3118151131 is an equidigital number, since it uses as much as digits as its factorization.

3118151131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 25.

The square root of 3118151131 is about 55840.4076901306. The cubic root of 3118151131 is about 1460.9400231143.

Adding to 3118151131 its reverse (1311518113), we get a palindrome (4429669244).

The spelling of 3118151131 in words is "three billion, one hundred eighteen million, one hundred fifty-one thousand, one hundred thirty-one".