150101531 has 2 divisors, whose sum is σ = 150101532. Its totient is φ = 150101530.

The previous prime is 150101527. The next prime is 150101561. The reversal of 150101531 is 135101051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150101531 - 2² = 150101527 is a prime.

It is a super-2 number, since 2×150101531² = 45060939217087922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (150101561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75050765 + 75050766.

It is an arithmetic number, because the mean of its divisors is an integer number (75050766).

Almost surely, 2^150101531 is an apocalyptic number.

150101531 is a deficient number, since it is larger than the sum of its proper divisors (1).

150101531 is an equidigital number, since it uses as much as digits as its factorization.

150101531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 150101531 is about 12251.5929984635. The cubic root of 150101531 is about 531.4491384281.

Adding to 150101531 its reverse (135101051), we get a palindrome (285202582).

The spelling of 150101531 in words is "one hundred fifty million, one hundred one thousand, five hundred thirty-one".