43331012 has 6 divisors (see below), whose sum is σ = 75829278. Its totient is φ = 21665504.

The previous prime is 43330999. The next prime is 43331021. The reversal of 43331012 is 21013334.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29964676 + 13366336 = 5474^2 + 3656^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5416373 + ... + 5416380.

It is an arithmetic number, because the mean of its divisors is an integer number (12638213).

Almost surely, 2^43331012 is an apocalyptic number.

It is an amenable number.

43331012 is a deficient number, since it is larger than the sum of its proper divisors (32498266).

43331012 is a wasteful number, since it uses less digits than its factorization.

43331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10832757 (or 10832755 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 43331012 is about 6582.6295657587. The cubic root of 43331012 is about 351.2364756299.

Adding to 43331012 its reverse (21013334), we get a palindrome (64344346).

The spelling of 43331012 in words is "forty-three million, three hundred thirty-one thousand, twelve".