5431331110031 has 2 divisors, whose sum is σ = 5431331110032. Its totient is φ = 5431331110030.

The previous prime is 5431331110021. The next prime is 5431331110061. The reversal of 5431331110031 is 1300111331345.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5431331110031 - 2³⁸ = 5156453203087 is a prime.

It is a super-2 number, since 2×5431331110031² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5431331110021) 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, 2715665555015 + 2715665555016.

It is an arithmetic number, because the mean of its divisors is an integer number (2715665555016).

Almost surely, 2^{5431331110031} is an apocalyptic number.

5431331110031 is a deficient number, since it is larger than the sum of its proper divisors (1).

5431331110031 is an equidigital number, since it uses as much as digits as its factorization.

5431331110031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 5431331110031 its reverse (1300111331345), we get a palindrome (6731442441376).

The spelling of 5431331110031 in words is "five trillion, four hundred thirty-one billion, three hundred thirty-one million, one hundred ten thousand, thirty-one".