43320848018731 has 2 divisors, whose sum is σ = 43320848018732. Its totient is φ = 43320848018730.

The previous prime is 43320848018629. The next prime is 43320848018743. The reversal of 43320848018731 is 13781084802334.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43320848018731 - 2¹⁷ = 43320847887659 is a prime.

It is a super-2 number, since 2×43320848018731² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43320848016731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21660424009365 + 21660424009366.

It is an arithmetic number, because the mean of its divisors is an integer number (21660424009366).

Almost surely, 2^{43320848018731} is an apocalyptic number.

43320848018731 is a deficient number, since it is larger than the sum of its proper divisors (1).

43320848018731 is an equidigital number, since it uses as much as digits as its factorization.

43320848018731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 43320848018731 in words is "forty-three trillion, three hundred twenty billion, eight hundred forty-eight million, eighteen thousand, seven hundred thirty-one".