213185330694320 has 40 divisors (see below), whose sum is σ = 507182775125136. Its totient is φ = 83291012921088.

The previous prime is 213185330694319. The next prime is 213185330694341. The reversal of 213185330694320 is 23496033581312.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 30986236487 + ... + 30986243366.

Almost surely, 2^{213185330694320} is an apocalyptic number.

213185330694320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213185330694320 is an abundant number, since it is smaller than the sum of its proper divisors (293997444430816).

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

213185330694320 is a wasteful number, since it uses less digits than its factorization.

213185330694320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61972479909 (or 61972479903 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 213185330694320 in words is "two hundred thirteen trillion, one hundred eighty-five billion, three hundred thirty million, six hundred ninety-four thousand, three hundred twenty".