5131551013 has 2 divisors, whose sum is σ = 5131551014. Its totient is φ = 5131551012.

The previous prime is 5131550927. The next prime is 5131551023. The reversal of 5131551013 is 3101551315.

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., 3778929729 + 1352621284 = 61473^2 + 36778^2 .

It is a cyclic number.

It is not a de Polignac number, because 5131551013 - 2²⁵ = 5097996581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5131551023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565775506 + 2565775507.

It is an arithmetic number, because the mean of its divisors is an integer number (2565775507).

Almost surely, 2^5131551013 is an apocalyptic number.

It is an amenable number.

5131551013 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131551013 is an equidigital number, since it uses as much as digits as its factorization.

5131551013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 5131551013 is about 71634.8449638861. The cubic root of 5131551013 is about 1724.8429193099.

The spelling of 5131551013 in words is "five billion, one hundred thirty-one million, five hundred fifty-one thousand, thirteen".