44243331131 has 2 divisors, whose sum is σ = 44243331132. Its totient is φ = 44243331130.

The previous prime is 44243331061. The next prime is 44243331173. The reversal of 44243331131 is 13113334244.

It is a happy number.

44243331131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44243331131 - 2²² = 44239136827 is a prime.

It is a super-2 number, since 2×44243331131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44243331094 and 44243331103.

It is not a weakly prime, because it can be changed into another prime (44243331191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22121665565 + 22121665566.

It is an arithmetic number, because the mean of its divisors is an integer number (22121665566).

Almost surely, 2^44243331131 is an apocalyptic number.

44243331131 is a deficient number, since it is larger than the sum of its proper divisors (1).

44243331131 is an equidigital number, since it uses as much as digits as its factorization.

44243331131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 29.

Adding to 44243331131 its reverse (13113334244), we get a palindrome (57356665375).

The spelling of 44243331131 in words is "forty-four billion, two hundred forty-three million, three hundred thirty-one thousand, one hundred thirty-one".