43313234311 has 2 divisors, whose sum is σ = 43313234312. Its totient is φ = 43313234310.

The previous prime is 43313234299. The next prime is 43313234399. The reversal of 43313234311 is 11343231334.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43313234311 - 2¹³ = 43313226119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43313234311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43313234611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21656617155 + 21656617156.

It is an arithmetic number, because the mean of its divisors is an integer number (21656617156).

Almost surely, 2^43313234311 is an apocalyptic number.

43313234311 is a deficient number, since it is larger than the sum of its proper divisors (1).

43313234311 is an equidigital number, since it uses as much as digits as its factorization.

43313234311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 28.

Adding to 43313234311 its reverse (11343231334), we get a palindrome (54656465645).

The spelling of 43313234311 in words is "forty-three billion, three hundred thirteen million, two hundred thirty-four thousand, three hundred eleven".