213551320504 has 16 divisors (see below), whose sum is σ = 400416172200. Its totient is φ = 106773674592.

The previous prime is 213551320487. The next prime is 213551320519. The reversal of 213551320504 is 405023155312.

213551320504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 273327 + ... + 708385.

Almost surely, 2^213551320504 is an apocalyptic number.

It is an amenable number.

213551320504 is a deficient number, since it is larger than the sum of its proper divisors (186864851696).

213551320504 is a wasteful number, since it uses less digits than its factorization.

213551320504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496422 (or 496418 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 213551320504 its reverse (405023155312), we get a palindrome (618574475816).

The spelling of 213551320504 in words is "two hundred thirteen billion, five hundred fifty-one million, three hundred twenty thousand, five hundred four".