213270170708 has 24 divisors (see below), whose sum is σ = 426552595392. Its totient is φ = 91398875904.

The previous prime is 213270170621. The next prime is 213270170723. The reversal of 213270170708 is 807071072312.

It is a happy number.

It is a super-2 number, since 2×213270170708² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128260 + ... + 1303652.

It is an arithmetic number, because the mean of its divisors is an integer number (17773024808).

Almost surely, 2^213270170708 is an apocalyptic number.

213270170708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

213270170708 is an abundant number, since it is smaller than the sum of its proper divisors (213282424684).

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

213270170708 is a wasteful number, since it uses less digits than its factorization.

213270170708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218831 (or 218829 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 213270170708 in words is "two hundred thirteen billion, two hundred seventy million, one hundred seventy thousand, seven hundred eight".