43144441031 has 2 divisors, whose sum is σ = 43144441032. Its totient is φ = 43144441030.

The previous prime is 43144440979. The next prime is 43144441037. The reversal of 43144441031 is 13014444134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43144441031 - 2⁶ = 43144440967 is a prime.

It is a super-2 number, since 2×43144441031² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 43144440985 and 43144441003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43144441037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21572220515 + 21572220516.

It is an arithmetic number, because the mean of its divisors is an integer number (21572220516).

Almost surely, 2^43144441031 is an apocalyptic number.

43144441031 is a deficient number, since it is larger than the sum of its proper divisors (1).

43144441031 is an equidigital number, since it uses as much as digits as its factorization.

43144441031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 43144441031 its reverse (13014444134), we get a palindrome (56158885165).

The spelling of 43144441031 in words is "forty-three billion, one hundred forty-four million, four hundred forty-one thousand, thirty-one".