3122231131 has 2 divisors, whose sum is σ = 3122231132. Its totient is φ = 3122231130.

The previous prime is 3122231093. The next prime is 3122231143. The reversal of 3122231131 is 1311322213.

It is a strong prime.

It is an emirp because it is prime and its reverse (1311322213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3122231131 - 2¹⁵ = 3122198363 is a prime.

It is a super-2 number, since 2×3122231131² = 19496654470771078322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3122231099 and 3122231108.

It is not a weakly prime, because it can be changed into another prime (3122231171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561115565 + 1561115566.

It is an arithmetic number, because the mean of its divisors is an integer number (1561115566).

Almost surely, 2^3122231131 is an apocalyptic number.

3122231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122231131 is an equidigital number, since it uses as much as digits as its factorization.

3122231131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 3122231131 is about 55876.9284320461. The cubic root of 3122231131 is about 1461.5769430032.

Adding to 3122231131 its reverse (1311322213), we get a palindrome (4433553344).

The spelling of 3122231131 in words is "three billion, one hundred twenty-two million, two hundred thirty-one thousand, one hundred thirty-one".