43020213311 has 16 divisors (see below), whose sum is σ = 48636681984. Its totient is φ = 37828500864.

The previous prime is 43020213293. The next prime is 43020213319. The reversal of 43020213311 is 11331202034.

It is a cyclic number.

It is not a de Polignac number, because 43020213311 - 2¹⁴ = 43020196927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43020213319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262561 + ... + 1296186.

It is an arithmetic number, because the mean of its divisors is an integer number (3039792624).

Almost surely, 2^43020213311 is an apocalyptic number.

43020213311 is a deficient number, since it is larger than the sum of its proper divisors (5616468673).

43020213311 is a wasteful number, since it uses less digits than its factorization.

43020213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558830.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 43020213311 its reverse (11331202034), we get a palindrome (54351415345).

The spelling of 43020213311 in words is "forty-three billion, twenty million, two hundred thirteen thousand, three hundred eleven".