5131240229 has 2 divisors, whose sum is σ = 5131240230. Its totient is φ = 5131240228.

The previous prime is 5131240217. The next prime is 5131240277. The reversal of 5131240229 is 9220421315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5030639329 + 100600900 = 70927^2 + 10030^2 .

It is a cyclic number.

It is not a de Polignac number, because 5131240229 - 2³² = 836272933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5131240129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565620114 + 2565620115.

It is an arithmetic number, because the mean of its divisors is an integer number (2565620115).

Almost surely, 2^5131240229 is an apocalyptic number.

It is an amenable number.

5131240229 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131240229 is an equidigital number, since it uses as much as digits as its factorization.

5131240229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 5131240229 is about 71632.6757073893. The cubic root of 5131240229 is about 1724.8080978428.

The spelling of 5131240229 in words is "five billion, one hundred thirty-one million, two hundred forty thousand, two hundred twenty-nine".