180012031 has 6 divisors (see below), whose sum is σ = 191224160. Its totient is φ = 169422816.

The previous prime is 180012029. The next prime is 180012043. The reversal of 180012031 is 130210081.

It is not a de Polignac number, because 180012031 - 2¹ = 180012029 is a prime.

It is a super-2 number, since 2×180012031² = 64808662609489922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 180011996 and 180012014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311151 + ... + 311728.

Almost surely, 2^180012031 is an apocalyptic number.

180012031 is a deficient number, since it is larger than the sum of its proper divisors (11212129).

180012031 is an equidigital number, since it uses as much as digits as its factorization.

180012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622913 (or 622896 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 180012031 is about 13416.8562264042. The cubic root of 180012031 is about 564.6341966089.

It can be divided in two parts, 1800 and 12031, that added together give a palindrome (13831).

The spelling of 180012031 in words is "one hundred eighty million, twelve thousand, thirty-one".