43331330132413 has 4 divisors (see below), whose sum is σ = 43331360579388. Its totient is φ = 43331299685440.

The previous prime is 43331330132399. The next prime is 43331330132423. The reversal of 43331330132413 is 31423103313334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27500186259844 + 15831143872569 = 5244062^2 + 3978837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43331330132413 is a prime.

It is a super-2 number, since 2×43331330132413² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43331330132423) 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, 12978358 + ... + 15971863.

It is an arithmetic number, because the mean of its divisors is an integer number (10832840144847).

Almost surely, 2^{43331330132413} is an apocalyptic number.

It is an amenable number.

43331330132413 is a deficient number, since it is larger than the sum of its proper divisors (30446975).

43331330132413 is a wasteful number, since it uses less digits than its factorization.

43331330132413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30446974.

The product of its (nonzero) digits is 69984, while the sum is 34.

Adding to 43331330132413 its reverse (31423103313334), we get a palindrome (74754433445747).

The spelling of 43331330132413 in words is "forty-three trillion, three hundred thirty-one billion, three hundred thirty million, one hundred thirty-two thousand, four hundred thirteen".