331860052 has 12 divisors (see below), whose sum is σ = 581292180. Its totient is φ = 165776576.

The previous prime is 331860049. The next prime is 331860059. The reversal of 331860052 is 250068133.

It can be written as a sum of positive squares in 2 ways, for example, as 252364996 + 79495056 = 15886^2 + 8916^2 .

It is a super-2 number, since 2×331860052² = 220262188226885408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331860052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331860059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33427 + ... + 42202.

It is an arithmetic number, because the mean of its divisors is an integer number (48441015).

Almost surely, 2^331860052 is an apocalyptic number.

It is an amenable number.

331860052 is a deficient number, since it is larger than the sum of its proper divisors (249432128).

331860052 is a wasteful number, since it uses less digits than its factorization.

331860052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76730 (or 76728 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 331860052 is about 18217.0264313362. The cubic root of 331860052 is about 692.3382494407.

The spelling of 331860052 in words is "three hundred thirty-one million, eight hundred sixty thousand, fifty-two".