251033030141 has 2 divisors, whose sum is σ = 251033030142. Its totient is φ = 251033030140.

The previous prime is 251033030077. The next prime is 251033030159. The reversal of 251033030141 is 141030330152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197799004516 + 53234025625 = 444746^2 + 230725^2 .

It is a cyclic number.

It is not a de Polignac number, because 251033030141 - 2⁶ = 251033030077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251033038141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125516515070 + 125516515071.

It is an arithmetic number, because the mean of its divisors is an integer number (125516515071).

Almost surely, 2^251033030141 is an apocalyptic number.

It is an amenable number.

251033030141 is a deficient number, since it is larger than the sum of its proper divisors (1).

251033030141 is an equidigital number, since it uses as much as digits as its factorization.

251033030141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 251033030141 its reverse (141030330152), we get a palindrome (392063360293).

The spelling of 251033030141 in words is "two hundred fifty-one billion, thirty-three million, thirty thousand, one hundred forty-one".