3145513229 has 2 divisors, whose sum is σ = 3145513230. Its totient is φ = 3145513228.

The previous prime is 3145513193. The next prime is 3145513243. The reversal of 3145513229 is 9223155413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1744732900 + 1400780329 = 41770^2 + 37427^2 .

It is an emirp because it is prime and its reverse (9223155413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3145513229 - 2⁸ = 3145512973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145513249) 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, 1572756614 + 1572756615.

It is an arithmetic number, because the mean of its divisors is an integer number (1572756615).

Almost surely, 2^3145513229 is an apocalyptic number.

It is an amenable number.

3145513229 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145513229 is an equidigital number, since it uses as much as digits as its factorization.

3145513229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 3145513229 is about 56084.8752249660. The cubic root of 3145513229 is about 1465.2008839760.

The spelling of 3145513229 in words is "three billion, one hundred forty-five million, five hundred thirteen thousand, two hundred twenty-nine".