213444210000318 has 32 divisors (see below), whose sum is σ = 471591350069760. Its totient is φ = 63861328652160.

The previous prime is 213444210000313. The next prime is 213444210000323. The reversal of 213444210000318 is 813000012444312.

It is an interprime number because it is at equal distance from previous prime (213444210000313) and next prime (213444210000323).

It is a super-2 number, since 2×213444210000318² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213444210000313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20468369355 + ... + 20468379782.

It is an arithmetic number, because the mean of its divisors is an integer number (14737229689680).

Almost surely, 2^{213444210000318} is an apocalyptic number.

213444210000318 is an abundant number, since it is smaller than the sum of its proper divisors (258147140069442).

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

213444210000318 is a wasteful number, since it uses less digits than its factorization.

213444210000318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40936749232.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 213444210000318 in words is "two hundred thirteen trillion, four hundred forty-four billion, two hundred ten million, three hundred eighteen", and thus it is an aban number.