31424420063 has 2 divisors, whose sum is σ = 31424420064. Its totient is φ = 31424420062.

The previous prime is 31424420057. The next prime is 31424420113. The reversal of 31424420063 is 36002442413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31424420063 - 2²⁶ = 31357311199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31424420003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15712210031 + 15712210032.

It is an arithmetic number, because the mean of its divisors is an integer number (15712210032).

Almost surely, 2^31424420063 is an apocalyptic number.

31424420063 is a deficient number, since it is larger than the sum of its proper divisors (1).

31424420063 is an equidigital number, since it uses as much as digits as its factorization.

31424420063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 31424420063 its reverse (36002442413), we get a palindrome (67426862476).

The spelling of 31424420063 in words is "thirty-one billion, four hundred twenty-four million, four hundred twenty thousand, sixty-three".