150431131 has 2 divisors, whose sum is σ = 150431132. Its totient is φ = 150431130.

The previous prime is 150431129. The next prime is 150431143. The reversal of 150431131 is 131134051.

It is a weak prime.

It is an emirp because it is prime and its reverse (131134051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150431131 - 2¹ = 150431129 is a prime.

It is a super-2 number, since 2×150431131² = 45259050347878322, which contains 22 as substring.

Together with 150431129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 150431099 and 150431108.

It is not a weakly prime, because it can be changed into another prime (150431111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75215565 + 75215566.

It is an arithmetic number, because the mean of its divisors is an integer number (75215566).

Almost surely, 2^150431131 is an apocalyptic number.

150431131 is a deficient number, since it is larger than the sum of its proper divisors (1).

150431131 is an equidigital number, since it uses as much as digits as its factorization.

150431131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 150431131 is about 12265.0369343105. The cubic root of 150431131 is about 531.8378477209.

Adding to 150431131 its reverse (131134051), we get a palindrome (281565182).

The spelling of 150431131 in words is "one hundred fifty million, four hundred thirty-one thousand, one hundred thirty-one".