43032312313 has 32 divisors (see below), whose sum is σ = 47678349600. Its totient is φ = 38667632640.

The previous prime is 43032312283. The next prime is 43032312341. The reversal of 43032312313 is 31321323034.

It can be written as a sum of positive squares in 16 ways, for example, as 88868329 + 42943443984 = 9427^2 + 207228^2 .

It is a cyclic number.

It is not a de Polignac number, because 43032312313 - 2¹³ = 43032304121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43032312343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16880763 + ... + 16883311.

It is an arithmetic number, because the mean of its divisors is an integer number (1489948425).

Almost surely, 2^43032312313 is an apocalyptic number.

It is an amenable number.

43032312313 is a deficient number, since it is larger than the sum of its proper divisors (4646037287).

43032312313 is a wasteful number, since it uses less digits than its factorization.

43032312313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 43032312313 its reverse (31321323034), we get a palindrome (74353635347).

The spelling of 43032312313 in words is "forty-three billion, thirty-two million, three hundred twelve thousand, three hundred thirteen".