213001308 has 72 divisors (see below), whose sum is σ = 588577808. Its totient is φ = 64551168.

The previous prime is 213001303. The next prime is 213001363. The reversal of 213001308 is 803100312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27960 + ... + 34752.

Almost surely, 2^213001308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213001308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294288904).

213001308 is an abundant number, since it is smaller than the sum of its proper divisors (375576500).

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

213001308 is a wasteful number, since it uses less digits than its factorization.

213001308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6883 (or 6878 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 213001308 is about 14594.5643305993. The cubic root of 213001308 is about 597.2104844367.

The spelling of 213001308 in words is "two hundred thirteen million, one thousand, three hundred eight".