180331413 has 24 divisors (see below), whose sum is σ = 255117600. Its totient is φ = 113286816.

The previous prime is 180331397. The next prime is 180331423. The reversal of 180331413 is 314133081.

It is not a de Polignac number, because 180331413 - 2⁴ = 180331397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180331423) 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 in 23 ways as a sum of consecutive naturals, for example, 291018 + ... + 291636.

It is an arithmetic number, because the mean of its divisors is an integer number (10629900).

Almost surely, 2^180331413 is an apocalyptic number.

It is an amenable number.

180331413 is a deficient number, since it is larger than the sum of its proper divisors (74786187).

180331413 is a wasteful number, since it uses less digits than its factorization.

180331413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 180331413 is about 13428.7532183744. The cubic root of 180331413 is about 564.9679288450.

Adding to 180331413 its reverse (314133081), we get a palindrome (494464494).

The spelling of 180331413 in words is "one hundred eighty million, three hundred thirty-one thousand, four hundred thirteen".