150531331 has 2 divisors, whose sum is σ = 150531332. Its totient is φ = 150531330.

The previous prime is 150531323. The next prime is 150531371. The reversal of 150531331 is 133135051.

150531331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150531331 - 2³ = 150531323 is a prime.

It is a super-2 number, since 2×150531331² = 45319363225263122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (150531371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75265665 + 75265666.

It is an arithmetic number, because the mean of its divisors is an integer number (75265666).

Almost surely, 2^150531331 is an apocalyptic number.

150531331 is a deficient number, since it is larger than the sum of its proper divisors (1).

150531331 is an equidigital number, since it uses as much as digits as its factorization.

150531331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 150531331 is about 12269.1210361623. The cubic root of 150531331 is about 531.9559046781.

Adding to 150531331 its reverse (133135051), we get a palindrome (283666382).

It can be divided in two parts, 15053 and 1331, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 150531331 in words is "one hundred fifty million, five hundred thirty-one thousand, three hundred thirty-one".