31204000443042 has 96 divisors (see below), whose sum is σ = 81885418273152. Its totient is φ = 8383478994432.

The previous prime is 31204000443041. The next prime is 31204000443089. The reversal of 31204000443042 is 24034400040213.

It is a happy number.

31204000443042 is a `hidden beast` number, since 312 + 0 + 4 + 0 + 0 + 0 + 44 + 304 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31204000442997 and 31204000443015.

It is not an unprimeable number, because it can be changed into a prime (31204000443041) 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 in 47 ways as a sum of consecutive naturals, for example, 4128288 + ... + 8913515.

It is an arithmetic number, because the mean of its divisors is an integer number (852973107012).

Almost surely, 2^{31204000443042} is an apocalyptic number.

31204000443042 is an abundant number, since it is smaller than the sum of its proper divisors (50681417830110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31204000443042 is a wasteful number, since it uses less digits than its factorization.

31204000443042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13042952 (or 13042949 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 31204000443042 its reverse (24034400040213), we get a palindrome (55238400483255).

The spelling of 31204000443042 in words is "thirty-one trillion, two hundred four billion, four hundred forty-three thousand, forty-two".