151231510217 has 2 divisors, whose sum is σ = 151231510218. Its totient is φ = 151231510216.

The previous prime is 151231510201. The next prime is 151231510231. The reversal of 151231510217 is 712015132151.

151231510217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144305775376 + 6925734841 = 379876^2 + 83221^2 .

It is a cyclic number.

It is not a de Polignac number, because 151231510217 - 2⁴ = 151231510201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151231510217.

It is not a weakly prime, because it can be changed into another prime (151231510117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75615755108 + 75615755109.

It is an arithmetic number, because the mean of its divisors is an integer number (75615755109).

Almost surely, 2^151231510217 is an apocalyptic number.

It is an amenable number.

151231510217 is a deficient number, since it is larger than the sum of its proper divisors (1).

151231510217 is an equidigital number, since it uses as much as digits as its factorization.

151231510217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 29.

Adding to 151231510217 its reverse (712015132151), we get a palindrome (863246642368).

The spelling of 151231510217 in words is "one hundred fifty-one billion, two hundred thirty-one million, five hundred ten thousand, two hundred seventeen".