150731219 has 2 divisors, whose sum is σ = 150731220. Its totient is φ = 150731218.

The previous prime is 150731159. The next prime is 150731291. The reversal of 150731219 is 912137051.

Together with next prime (150731291) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150731219 - 2⁸ = 150730963 is a prime.

It is a super-2 number, since 2×150731219² = 45439800762451922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 150731191 and 150731200.

It is not a weakly prime, because it can be changed into another prime (150731419) 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, 75365609 + 75365610.

It is an arithmetic number, because the mean of its divisors is an integer number (75365610).

Almost surely, 2^150731219 is an apocalyptic number.

150731219 is a deficient number, since it is larger than the sum of its proper divisors (1).

150731219 is an equidigital number, since it uses as much as digits as its factorization.

150731219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 150731219 is about 12277.2643125413. The cubic root of 150731219 is about 532.1912589408.

The spelling of 150731219 in words is "one hundred fifty million, seven hundred thirty-one thousand, two hundred nineteen".