213331482 has 160 divisors (see below), whose sum is σ = 609840000. Its totient is φ = 54214272.

The previous prime is 213331451. The next prime is 213331549. The reversal of 213331482 is 284133312.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 427269 + ... + 427767.

It is an arithmetic number, because the mean of its divisors is an integer number (3811500).

Almost surely, 2^213331482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213331482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304920000).

213331482 is an abundant number, since it is smaller than the sum of its proper divisors (396508518).

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

213331482 is a wasteful number, since it uses less digits than its factorization.

213331482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 553 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 213331482 is about 14605.8714906027. The cubic root of 213331482 is about 597.5189044164.

Adding to 213331482 its reverse (284133312), we get a palindrome (497464794).

The spelling of 213331482 in words is "two hundred thirteen million, three hundred thirty-one thousand, four hundred eighty-two".