3123245311 has 2 divisors, whose sum is σ = 3123245312. Its totient is φ = 3123245310.

The previous prime is 3123245303. The next prime is 3123245339. The reversal of 3123245311 is 1135423213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3123245311 - 2³ = 3123245303 is a prime.

It is a super-2 number, since 2×3123245311² = 19509322545366973442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123245351) 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, 1561622655 + 1561622656.

It is an arithmetic number, because the mean of its divisors is an integer number (1561622656).

Almost surely, 2^3123245311 is an apocalyptic number.

3123245311 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123245311 is an equidigital number, since it uses as much as digits as its factorization.

3123245311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 3123245311 is about 55886.0028182371. The cubic root of 3123245311 is about 1461.7351783136.

Adding to 3123245311 its reverse (1135423213), we get a palindrome (4258668524).

The spelling of 3123245311 in words is "three billion, one hundred twenty-three million, two hundred forty-five thousand, three hundred eleven".