44430001331 has 2 divisors, whose sum is σ = 44430001332. Its totient is φ = 44430001330.

The previous prime is 44430001327. The next prime is 44430001349. The reversal of 44430001331 is 13310003444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44430001331 - 2² = 44430001327 is a prime.

It is a super-2 number, since 2×44430001331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44430001297 and 44430001306.

It is not a weakly prime, because it can be changed into another prime (44430000331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22215000665 + 22215000666.

It is an arithmetic number, because the mean of its divisors is an integer number (22215000666).

Almost surely, 2^44430001331 is an apocalyptic number.

44430001331 is a deficient number, since it is larger than the sum of its proper divisors (1).

44430001331 is an equidigital number, since it uses as much as digits as its factorization.

44430001331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 44430001331 its reverse (13310003444), we get a palindrome (57740004775).

The spelling of 44430001331 in words is "forty-four billion, four hundred thirty million, one thousand, three hundred thirty-one".