213033250426 has 16 divisors (see below), whose sum is σ = 321337902600. Its totient is φ = 105921175360.

The previous prime is 213033250393. The next prime is 213033250427. The reversal of 213033250426 is 624052330312.

It can be written as a sum of positive squares in 4 ways, for example, as 198367798225 + 14665452201 = 445385^2 + 121101^2 .

It is not an unprimeable number, because it can be changed into a prime (213033250427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629196 + ... + 906616.

Almost surely, 2^213033250426 is an apocalyptic number.

213033250426 is a deficient number, since it is larger than the sum of its proper divisors (108304652174).

213033250426 is a wasteful number, since it uses less digits than its factorization.

213033250426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279569.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 213033250426 its reverse (624052330312), we get a palindrome (837085580738).

The spelling of 213033250426 in words is "two hundred thirteen billion, thirty-three million, two hundred fifty thousand, four hundred twenty-six".