43331211423231 has 16 divisors (see below), whose sum is σ = 57875121282048. Its totient is φ = 28837430575200.

The previous prime is 43331211423211. The next prime is 43331211423317. The reversal of 43331211423231 is 13232411213334.

It is not a de Polignac number, because 43331211423231 - 2²⁷ = 43331077205503 is a prime.

It is a super-2 number, since 2×43331211423231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43331211423192 and 43331211423201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43331211423211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265715 + ... + 9394916.

It is an arithmetic number, because the mean of its divisors is an integer number (3617195080128).

Almost surely, 2^{43331211423231} is an apocalyptic number.

43331211423231 is a deficient number, since it is larger than the sum of its proper divisors (14543909858817).

43331211423231 is a wasteful number, since it uses less digits than its factorization.

43331211423231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10662982.

The product of its digits is 31104, while the sum is 33.

Adding to 43331211423231 its reverse (13232411213334), we get a palindrome (56563622636565).

The spelling of 43331211423231 in words is "forty-three trillion, three hundred thirty-one billion, two hundred eleven million, four hundred twenty-three thousand, two hundred thirty-one".