331427445 has 16 divisors (see below), whose sum is σ = 542617152. Its totient is φ = 172650240.

The previous prime is 331427441. The next prime is 331427449. The reversal of 331427445 is 544724133.

It is an interprime number because it is at equal distance from previous prime (331427441) and next prime (331427449).

It is not a de Polignac number, because 331427445 - 2² = 331427441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331427441) 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, 256276 + ... + 257565.

It is an arithmetic number, because the mean of its divisors is an integer number (33913572).

Almost surely, 2^331427445 is an apocalyptic number.

It is an amenable number.

331427445 is a deficient number, since it is larger than the sum of its proper divisors (211189707).

331427445 is a wasteful number, since it uses less digits than its factorization.

331427445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513892.

The product of its digits is 40320, while the sum is 33.

The square root of 331427445 is about 18205.1488595946. The cubic root of 331427445 is about 692.0372785836.

The spelling of 331427445 in words is "three hundred thirty-one million, four hundred twenty-seven thousand, four hundred forty-five".