213131025033242 has 8 divisors (see below), whose sum is σ = 321813733163232. Its totient is φ = 105859780645500.

The previous prime is 213131025033203. The next prime is 213131025033263. The reversal of 213131025033242 is 242330520131312.

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

It is a junction number, because it is equal to n+sod(n) for n = 213131025033199 and 213131025033208.

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, 352865935184 + ... + 352865935787.

It is an arithmetic number, because the mean of its divisors is an integer number (40226716645404).

Almost surely, 2^{213131025033242} is an apocalyptic number.

213131025033242 is a deficient number, since it is larger than the sum of its proper divisors (108682708129990).

213131025033242 is a wasteful number, since it uses less digits than its factorization.

213131025033242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705731871124.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 213131025033242 its reverse (242330520131312), we get a palindrome (455461545164554).

The spelling of 213131025033242 in words is "two hundred thirteen trillion, one hundred thirty-one billion, twenty-five million, thirty-three thousand, two hundred forty-two".