31441403110231 has 2 divisors, whose sum is σ = 31441403110232. Its totient is φ = 31441403110230.

The previous prime is 31441403110123. The next prime is 31441403110237. The reversal of 31441403110231 is 13201130414413.

Together with previous prime (31441403110123) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31441403110231 - 2²³ = 31441394721623 is a prime.

It is a super-2 number, since 2×31441403110231² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31441403110231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31441403110237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15720701555115 + 15720701555116.

It is an arithmetic number, because the mean of its divisors is an integer number (15720701555116).

Almost surely, 2^{31441403110231} is an apocalyptic number.

31441403110231 is a deficient number, since it is larger than the sum of its proper divisors (1).

31441403110231 is an equidigital number, since it uses as much as digits as its factorization.

31441403110231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 31441403110231 its reverse (13201130414413), we get a palindrome (44642533524644).

The spelling of 31441403110231 in words is "thirty-one trillion, four hundred forty-one billion, four hundred three million, one hundred ten thousand, two hundred thirty-one".