43412041331 has 2 divisors, whose sum is σ = 43412041332. Its totient is φ = 43412041330.

The previous prime is 43412041273. The next prime is 43412041373. The reversal of 43412041331 is 13314021434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43412041331 - 2²² = 43407847027 is a prime.

It is a super-2 number, since 2×43412041331² (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 43412041331.

It is not a weakly prime, because it can be changed into another prime (43412041031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21706020665 + 21706020666.

It is an arithmetic number, because the mean of its divisors is an integer number (21706020666).

Almost surely, 2^43412041331 is an apocalyptic number.

43412041331 is a deficient number, since it is larger than the sum of its proper divisors (1).

43412041331 is an equidigital number, since it uses as much as digits as its factorization.

43412041331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 43412041331 its reverse (13314021434), we get a palindrome (56726062765).

The spelling of 43412041331 in words is "forty-three billion, four hundred twelve million, forty-one thousand, three hundred thirty-one".