213331010 has 16 divisors (see below), whose sum is σ = 384550200. Its totient is φ = 85209216.

The previous prime is 213331007. The next prime is 213331037. The reversal of 213331010 is 10133312.

It can be written as a sum of positive squares in 4 ways, for example, as 130393561 + 82937449 = 11419^2 + 9107^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7955 + ... + 22134.

Almost surely, 2^213331010 is an apocalyptic number.

213331010 is a deficient number, since it is larger than the sum of its proper divisors (171219190).

213331010 is a wasteful number, since it uses less digits than its factorization.

213331010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30805.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 213331010 is about 14605.8553327082. The cubic root of 213331010 is about 597.5184637420.

Adding to 213331010 its reverse (10133312), we get a palindrome (223464322).

It can be divided in two parts, 21333 and 1010, that multiplied together give a triangular number (21546330 = T₆₅₆₄).

The spelling of 213331010 in words is "two hundred thirteen million, three hundred thirty-one thousand, ten".