331372044 has 36 divisors (see below), whose sum is σ = 840195720. Its totient is φ = 110119680.

The previous prime is 331372031. The next prime is 331372073. The reversal of 331372044 is 440273133.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 331371999 and 331372017.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1989 + ... + 25820.

It is an arithmetic number, because the mean of its divisors is an integer number (23338770).

Almost surely, 2^331372044 is an apocalyptic number.

It is an amenable number.

331372044 is an abundant number, since it is smaller than the sum of its proper divisors (508823676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331372044 is a wasteful number, since it uses less digits than its factorization.

331372044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28150 (or 28145 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 331372044 is about 18203.6272209689. The cubic root of 331372044 is about 691.9987164042.

It can be divided in two parts, 3313 and 72044, that added together give a palindrome (75357).

The spelling of 331372044 in words is "three hundred thirty-one million, three hundred seventy-two thousand, forty-four".