31420421240204 has 12 divisors (see below), whose sum is σ = 54987616009200. Its totient is φ = 15709673809008.

The previous prime is 31420421240161. The next prime is 31420421240227. The reversal of 31420421240204 is 40204212402413.

It is a happy number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 134071064 + ... + 134305215.

It is an arithmetic number, because the mean of its divisors is an integer number (4582301334100).

Almost surely, 2^{31420421240204} is an apocalyptic number.

It is an amenable number.

31420421240204 is a deficient number, since it is larger than the sum of its proper divisors (23567194768996).

31420421240204 is a wasteful number, since it uses less digits than its factorization.

31420421240204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268405552 (or 268405550 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 31420421240204 its reverse (40204212402413), we get a palindrome (71624633642617).

The spelling of 31420421240204 in words is "thirty-one trillion, four hundred twenty billion, four hundred twenty-one million, two hundred forty thousand, two hundred four".