31200003112242 has 8 divisors (see below), whose sum is σ = 62400006224496. Its totient is φ = 10400001037412.

The previous prime is 31200003112093. The next prime is 31200003112273. The reversal of 31200003112242 is 24221130000213.

It is a sphenic number, since it is the product of 3 distinct primes.

31200003112242 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600000259348 + ... + 2600000259359.

It is an arithmetic number, because the mean of its divisors is an integer number (7800000778062).

Almost surely, 2^{31200003112242} is an apocalyptic number.

31200003112242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31200003112242 is a wasteful number, since it uses less digits than its factorization.

31200003112242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200000518712.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31200003112242 its reverse (24221130000213), we get a palindrome (55421133112455).

The spelling of 31200003112242 in words is "thirty-one trillion, two hundred billion, three million, one hundred twelve thousand, two hundred forty-two".