150231131 has 4 divisors (see below), whose sum is σ = 150257664. Its totient is φ = 150204600.

The previous prime is 150231113. The next prime is 150231143. The reversal of 150231131 is 131132051.

150231131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 150231131 - 2²⁶ = 83122267 is a prime.

It is a super-2 number, since 2×150231131² = 45138785443078322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150231161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980 + ... + 17361.

It is an arithmetic number, because the mean of its divisors is an integer number (37564416).

Almost surely, 2^150231131 is an apocalyptic number.

150231131 is a deficient number, since it is larger than the sum of its proper divisors (26533).

150231131 is an equidigital number, since it uses as much as digits as its factorization.

150231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26532.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 150231131 is about 12256.8809654006. The cubic root of 150231131 is about 531.6020482498.

Adding to 150231131 its reverse (131132051), we get a palindrome (281363182).

The spelling of 150231131 in words is "one hundred fifty million, two hundred thirty-one thousand, one hundred thirty-one".