331927045 has 16 divisors (see below), whose sum is σ = 406896768. Its totient is φ = 259871040.

The previous prime is 331927003. The next prime is 331927067. The reversal of 331927045 is 540729133.

It is not a de Polignac number, because 331927045 - 2¹¹ = 331924997 is a prime.

It is a super-2 number, since 2×331927045² = 220351126404864050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331927045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49440 + ... + 55750.

It is an arithmetic number, because the mean of its divisors is an integer number (25431048).

Almost surely, 2^331927045 is an apocalyptic number.

331927045 is the 10519-th octagonal number.

It is an amenable number.

331927045 is a deficient number, since it is larger than the sum of its proper divisors (74969723).

331927045 is a wasteful number, since it uses less digits than its factorization.

331927045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6540.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 331927045 is about 18218.8650853998. The cubic root of 331927045 is about 692.3848340330.

The spelling of 331927045 in words is "three hundred thirty-one million, nine hundred twenty-seven thousand, forty-five".