151530321433 has 2 divisors, whose sum is σ = 151530321434. Its totient is φ = 151530321432.

The previous prime is 151530321403. The next prime is 151530321443. The reversal of 151530321433 is 334123035151.

It is a happy number.

151530321433 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., 121627957504 + 29902363929 = 348752^2 + 172923^2 .

It is a cyclic number.

It is not a de Polignac number, because 151530321433 - 2⁵ = 151530321401 is a prime.

It is a super-2 number, since 2×151530321433² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151530321395 and 151530321404.

It is not a weakly prime, because it can be changed into another prime (151530321403) 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, 75765160716 + 75765160717.

It is an arithmetic number, because the mean of its divisors is an integer number (75765160717).

Almost surely, 2^151530321433 is an apocalyptic number.

It is an amenable number.

151530321433 is a deficient number, since it is larger than the sum of its proper divisors (1).

151530321433 is an equidigital number, since it uses as much as digits as its factorization.

151530321433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 151530321433 its reverse (334123035151), we get a palindrome (485653356584).

The spelling of 151530321433 in words is "one hundred fifty-one billion, five hundred thirty million, three hundred twenty-one thousand, four hundred thirty-three".