150020031 has 16 divisors (see below), whose sum is σ = 229768704. Its totient is φ = 85288224.

The previous prime is 150020011. The next prime is 150020033. The reversal of 150020031 is 130020051.

It is not a de Polignac number, because 150020031 - 2⁶ = 150019967 is a prime.

It is a super-2 number, since 2×150020031² = 45012019402481922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150019989 and 150020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150020033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13995 + ... + 22268.

It is an arithmetic number, because the mean of its divisors is an integer number (14360544).

Almost surely, 2^150020031 is an apocalyptic number.

150020031 is a deficient number, since it is larger than the sum of its proper divisors (79748673).

150020031 is a wasteful number, since it uses less digits than its factorization.

150020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36470.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 150020031 is about 12248.2664487674. The cubic root of 150020031 is about 531.3529347761.

Adding to 150020031 its reverse (130020051), we get a palindrome (280040082).

The spelling of 150020031 in words is "one hundred fifty million, twenty thousand, thirty-one".