43212331307 has 2 divisors, whose sum is σ = 43212331308. Its totient is φ = 43212331306.

The previous prime is 43212331289. The next prime is 43212331343. The reversal of 43212331307 is 70313321234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43212331307 - 2¹² = 43212327211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43212331307.

It is not a weakly prime, because it can be changed into another prime (43212331367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606165653 + 21606165654.

It is an arithmetic number, because the mean of its divisors is an integer number (21606165654).

Almost surely, 2^43212331307 is an apocalyptic number.

43212331307 is a deficient number, since it is larger than the sum of its proper divisors (1).

43212331307 is an equidigital number, since it uses as much as digits as its factorization.

43212331307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

The spelling of 43212331307 in words is "forty-three billion, two hundred twelve million, three hundred thirty-one thousand, three hundred seven".