44121431 has 2 divisors, whose sum is σ = 44121432. Its totient is φ = 44121430.

The previous prime is 44121403. The next prime is 44121437. The reversal of 44121431 is 13412144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44121431 - 2⁶ = 44121367 is a prime.

It is a super-2 number, since 2×44121431² = 3893401346975522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44121437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22060715 + 22060716.

It is an arithmetic number, because the mean of its divisors is an integer number (22060716).

Almost surely, 2^44121431 is an apocalyptic number.

44121431 is a deficient number, since it is larger than the sum of its proper divisors (1).

44121431 is an equidigital number, since it uses as much as digits as its factorization.

44121431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 44121431 is about 6642.3964801870. The cubic root of 44121431 is about 353.3593032017.

Adding to 44121431 its reverse (13412144), we get a palindrome (57533575).

It can be divided in two parts, 4412143 and 1, that added together give a palindrome (4412144).

The spelling of 44121431 in words is "forty-four million, one hundred twenty-one thousand, four hundred thirty-one".