31204021103052 has 48 divisors (see below), whose sum is σ = 83213268821760. Its totient is φ = 8915161828032.

The previous prime is 31204021102987. The next prime is 31204021103053. The reversal of 31204021103052 is 25030112040213.

It is not an unprimeable number, because it can be changed into a prime (31204021103053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2912943 + ... + 8419814.

It is an arithmetic number, because the mean of its divisors is an integer number (1733609767120).

Almost surely, 2^{31204021103052} is an apocalyptic number.

It is an amenable number.

31204021103052 is an abundant number, since it is smaller than the sum of its proper divisors (52009247718708).

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

31204021103052 is a wasteful number, since it uses less digits than its factorization.

31204021103052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11365550 (or 11365548 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 31204021103052 its reverse (25030112040213), we get a palindrome (56234133143265).

The spelling of 31204021103052 in words is "thirty-one trillion, two hundred four billion, twenty-one million, one hundred three thousand, fifty-two".