9931424405311 has 2 divisors, whose sum is σ = 9931424405312. Its totient is φ = 9931424405310.

The previous prime is 9931424405269. The next prime is 9931424405437. The reversal of 9931424405311 is 1135044241399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9931424405311 - 2¹⁹ = 9931423881023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9931424405011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4965712202655 + 4965712202656.

It is an arithmetic number, because the mean of its divisors is an integer number (4965712202656).

Almost surely, 2^{9931424405311} is an apocalyptic number.

9931424405311 is a deficient number, since it is larger than the sum of its proper divisors (1).

9931424405311 is an equidigital number, since it uses as much as digits as its factorization.

9931424405311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 9931424405311 in words is "nine trillion, nine hundred thirty-one billion, four hundred twenty-four million, four hundred five thousand, three hundred eleven".