440031141254231 has 2 divisors, whose sum is σ = 440031141254232. Its totient is φ = 440031141254230.

The previous prime is 440031141254179. The next prime is 440031141254249. The reversal of 440031141254231 is 132452141130044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440031141254231 is a prime.

It is a super-2 number, since 2×440031141254231² (a number of 30 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 = 440031141254191 and 440031141254200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440031141254251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220015570627115 + 220015570627116.

It is an arithmetic number, because the mean of its divisors is an integer number (220015570627116).

Almost surely, 2^{440031141254231} is an apocalyptic number.

440031141254231 is a deficient number, since it is larger than the sum of its proper divisors (1).

440031141254231 is an equidigital number, since it uses as much as digits as its factorization.

440031141254231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 440031141254231 its reverse (132452141130044), we get a palindrome (572483282384275).

The spelling of 440031141254231 in words is "four hundred forty trillion, thirty-one billion, one hundred forty-one million, two hundred fifty-four thousand, two hundred thirty-one".