3122231249 has 2 divisors, whose sum is σ = 3122231250. Its totient is φ = 3122231248.

The previous prime is 3122231213. The next prime is 3122231269. The reversal of 3122231249 is 9421322213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3049248400 + 72982849 = 55220^2 + 8543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3122231249 is a prime.

It is not a weakly prime, because it can be changed into another prime (3122231269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561115624 + 1561115625.

It is an arithmetic number, because the mean of its divisors is an integer number (1561115625).

Almost surely, 2^3122231249 is an apocalyptic number.

It is an amenable number.

3122231249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122231249 is an equidigital number, since it uses as much as digits as its factorization.

3122231249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 3122231249 is about 55876.9294879380. The cubic root of 3122231249 is about 1461.5769614159.

The spelling of 3122231249 in words is "three billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred forty-nine".