5131331012251 has 2 divisors, whose sum is σ = 5131331012252. Its totient is φ = 5131331012250.

The previous prime is 5131331012207. The next prime is 5131331012281. The reversal of 5131331012251 is 1522101331315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5131331012251 - 2⁷ = 5131331012123 is a prime.

It is not a weakly prime, because it can be changed into another prime (5131331012281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565665506125 + 2565665506126.

It is an arithmetic number, because the mean of its divisors is an integer number (2565665506126).

Almost surely, 2^{5131331012251} is an apocalyptic number.

5131331012251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131331012251 is an equidigital number, since it uses as much as digits as its factorization.

5131331012251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 5131331012251 its reverse (1522101331315), we get a palindrome (6653432343566).

The spelling of 5131331012251 in words is "five trillion, one hundred thirty-one billion, three hundred thirty-one million, twelve thousand, two hundred fifty-one".