150405131 has 2 divisors, whose sum is σ = 150405132. Its totient is φ = 150405130.

The previous prime is 150405127. The next prime is 150405169. The reversal of 150405131 is 131504051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150405131 - 2² = 150405127 is a prime.

It is a super-2 number, since 2×150405131² = 45243406862254322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (150405191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75202565 + 75202566.

It is an arithmetic number, because the mean of its divisors is an integer number (75202566).

Almost surely, 2^150405131 is an apocalyptic number.

150405131 is a deficient number, since it is larger than the sum of its proper divisors (1).

150405131 is an equidigital number, since it uses as much as digits as its factorization.

150405131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 150405131 is about 12263.9769650795. The cubic root of 150405131 is about 531.8072056131.

Adding to 150405131 its reverse (131504051), we get a palindrome (281909182).

The spelling of 150405131 in words is "one hundred fifty million, four hundred five thousand, one hundred thirty-one".