150203231 has 4 divisors (see below), whose sum is σ = 150340512. Its totient is φ = 150065952.

The previous prime is 150203197. The next prime is 150203233. The reversal of 150203231 is 132302051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 150203231 - 2¹⁸ = 149941087 is a prime.

It is a super-2 number, since 2×150203231² = 45122021205678722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150203233) 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 in 3 ways as a sum of consecutive naturals, for example, 66986 + ... + 69191.

It is an arithmetic number, because the mean of its divisors is an integer number (37585128).

Almost surely, 2^150203231 is an apocalyptic number.

150203231 is a deficient number, since it is larger than the sum of its proper divisors (137281).

150203231 is a wasteful number, since it uses less digits than its factorization.

150203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137280.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 150203231 is about 12255.7427763477. The cubic root of 150203231 is about 531.5691375934.

Adding to 150203231 its reverse (132302051), we get a palindrome (282505282).

The spelling of 150203231 in words is "one hundred fifty million, two hundred three thousand, two hundred thirty-one".