5131030549 has 2 divisors, whose sum is σ = 5131030550. Its totient is φ = 5131030548.

The previous prime is 5131030517. The next prime is 5131030577. The reversal of 5131030549 is 9450301315.

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., 4827748324 + 303282225 = 69482^2 + 17415^2 .

It is a cyclic number.

It is not a de Polignac number, because 5131030549 - 2⁵ = 5131030517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5131030549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5131030589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565515274 + 2565515275.

It is an arithmetic number, because the mean of its divisors is an integer number (2565515275).

Almost surely, 2^5131030549 is an apocalyptic number.

It is an amenable number.

5131030549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131030549 is an equidigital number, since it uses as much as digits as its factorization.

5131030549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 5131030549 is about 71631.2121145524. The cubic root of 5131030549 is about 1724.7846036729.

The spelling of 5131030549 in words is "five billion, one hundred thirty-one million, thirty thousand, five hundred forty-nine".