213051343304 has 8 divisors (see below), whose sum is σ = 399471268710. Its totient is φ = 106525671648.

The previous prime is 213051343291. The next prime is 213051343333. The reversal of 213051343304 is 403343150312.

It can be written as a sum of positive squares in only one way, i.e., 203680716100 + 9370627204 = 451310^2 + 96802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13315708949 + ... + 13315708964.

Almost surely, 2^213051343304 is an apocalyptic number.

It is an amenable number.

213051343304 is a deficient number, since it is larger than the sum of its proper divisors (186419925406).

213051343304 is a wasteful number, since it uses less digits than its factorization.

213051343304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26631417919 (or 26631417915 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 213051343304 its reverse (403343150312), we get a palindrome (616394493616).

The spelling of 213051343304 in words is "two hundred thirteen billion, fifty-one million, three hundred forty-three thousand, three hundred four".