31420421240603 has 2 divisors, whose sum is σ = 31420421240604. Its totient is φ = 31420421240602.

The previous prime is 31420421240591. The next prime is 31420421240639. The reversal of 31420421240603 is 30604212402413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31420421240603 - 2¹⁰ = 31420421239579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31420421240603.

It is not a weakly prime, because it can be changed into another prime (31420421540603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15710210620301 + 15710210620302.

It is an arithmetic number, because the mean of its divisors is an integer number (15710210620302).

Almost surely, 2^{31420421240603} is an apocalyptic number.

31420421240603 is a deficient number, since it is larger than the sum of its proper divisors (1).

31420421240603 is an equidigital number, since it uses as much as digits as its factorization.

31420421240603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 31420421240603 in words is "thirty-one trillion, four hundred twenty billion, four hundred twenty-one million, two hundred forty thousand, six hundred three".