43311315044 has 6 divisors (see below), whose sum is σ = 75794801334. Its totient is φ = 21655657520.

The previous prime is 43311315037. The next prime is 43311315049. The reversal of 43311315044 is 44051311334.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32359692544 + 10951622500 = 179888^2 + 104650^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43311314998 and 43311315016.

It is not an unprimeable number, because it can be changed into a prime (43311315049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5413914377 + ... + 5413914384.

It is an arithmetic number, because the mean of its divisors is an integer number (12632466889).

Almost surely, 2^43311315044 is an apocalyptic number.

It is an amenable number.

43311315044 is a deficient number, since it is larger than the sum of its proper divisors (32483486290).

43311315044 is a wasteful number, since it uses less digits than its factorization.

43311315044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10827828765 (or 10827828763 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 43311315044 its reverse (44051311334), we get a palindrome (87362626378).

The spelling of 43311315044 in words is "forty-three billion, three hundred eleven million, three hundred fifteen thousand, forty-four".