1300131251 has 2 divisors, whose sum is σ = 1300131252. Its totient is φ = 1300131250.

The previous prime is 1300131193. The next prime is 1300131263. The reversal of 1300131251 is 1521310031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300131251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300131551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650065625 + 650065626.

It is an arithmetic number, because the mean of its divisors is an integer number (650065626).

Almost surely, 2^1300131251 is an apocalyptic number.

1300131251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300131251 is an equidigital number, since it uses as much as digits as its factorization.

1300131251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1300131251 is about 36057.3328325876. The cubic root of 1300131251 is about 1091.4296116731.

Adding to 1300131251 its reverse (1521310031), we get a palindrome (2821441282).

The spelling of 1300131251 in words is "one billion, three hundred million, one hundred thirty-one thousand, two hundred fifty-one".