36044431 has 2 divisors, whose sum is σ = 36044432. Its totient is φ = 36044430.

The previous prime is 36044423. The next prime is 36044479. The reversal of 36044431 is 13444063.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36044431 - 2³ = 36044423 is a prime.

It is a super-2 number, since 2×36044431² = 2598402012227522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36044396 and 36044405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36044231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18022215 + 18022216.

It is an arithmetic number, because the mean of its divisors is an integer number (18022216).

Almost surely, 2^36044431 is an apocalyptic number.

36044431 is a deficient number, since it is larger than the sum of its proper divisors (1).

36044431 is an equidigital number, since it uses as much as digits as its factorization.

36044431 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 25.

The square root of 36044431 is about 6003.7014416108. The cubic root of 36044431 is about 330.3285097187.

Adding to 36044431 its reverse (13444063), we get a palindrome (49488494).

The spelling of 36044431 in words is "thirty-six million, forty-four thousand, four hundred thirty-one".