43311313667 has 2 divisors, whose sum is σ = 43311313668. Its totient is φ = 43311313666.

The previous prime is 43311313651. The next prime is 43311313723. The reversal of 43311313667 is 76631311334.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43311313667 - 2⁴ = 43311313651 is a prime.

It is a super-2 number, since 2×43311313667² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43311313667.

It is not a weakly prime, because it can be changed into another prime (43311313607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21655656833 + 21655656834.

It is an arithmetic number, because the mean of its divisors is an integer number (21655656834).

Almost surely, 2^43311313667 is an apocalyptic number.

43311313667 is a deficient number, since it is larger than the sum of its proper divisors (1).

43311313667 is an equidigital number, since it uses as much as digits as its factorization.

43311313667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 38.

The spelling of 43311313667 in words is "forty-three billion, three hundred eleven million, three hundred thirteen thousand, six hundred sixty-seven".