331352072 has 8 divisors (see below), whose sum is σ = 621285150. Its totient is φ = 165676032.

The previous prime is 331352069. The next prime is 331352107. The reversal of 331352072 is 270253133.

It can be written as a sum of positive squares in only one way, i.e., 184796836 + 146555236 = 13594^2 + 12106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20709497 + ... + 20709512.

Almost surely, 2^331352072 is an apocalyptic number.

It is an amenable number.

331352072 is a deficient number, since it is larger than the sum of its proper divisors (289933078).

331352072 is a wasteful number, since it uses less digits than its factorization.

331352072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41419015 (or 41419011 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 331352072 is about 18203.0786407135. The cubic root of 331352072 is about 691.9848137267.

The spelling of 331352072 in words is "three hundred thirty-one million, three hundred fifty-two thousand, seventy-two".